Separate useful thoughts from mental noise with a simple filter

Medium - Requires some preparation Recommended

It was late evening when Alex realized he’d spent the last two hours replaying every awkward thing he’d said at a meeting. His head felt tight. He blinked at his blank screen, unable to write a single sentence of the proposal he’d promised. Honestly, it felt like a fog had settled in.

He grabbed a notebook and scribbled every recurring thought: "I messed up my question." "They think I’m inexperienced." "What if they cancel the project?" He didn’t judge any of them, he just wrote. Later, under the dim desk lamp, he went through the list, marking thoughts that could directly solve the project challenge—"I need more data before next Thursday"—and circling the rest as noise.

Alex closed the book, feeling lighter. He realized that nearly 80% of his mental chatter had been unhelpful—nothing he could act on. He discarded those entries and drafted a bullet-point plan for the 20% that solved real steps: schedule a quick client check-in, gather missing figures, outline a preliminary slide.

Cognitive scientists call this process the "pragmatic filter," a method of aligning mental energy only with actionable, goal-oriented thinking. By regularly separating useful thoughts from clutter, Alex now meets his deadlines with less stress and finds new creative space each day.

After noting each wandering thought in your notebook, gently label which ones help you solve a real problem or deepen your understanding, and which are just noise. Then either transform a useful thought into a next step—draft that outline, send that message—or let the rest evaporate. Notice how much lighter your mind feels when you focus only on what can move you forward. Try this post-dinner.

What You'll Achieve

You’ll clear mental clutter, boosting creativity and focus. Externally, you’ll finish projects faster with less panic and improved quality.

Filter daydreams for intentional thinking

1

Write every thought.

For one afternoon, carry a small notebook and jot down every recurring thought—past regrets, future what-ifs, to-do lists—without evaluating them.

2

Label usefulness.

At day’s end, review your list and mark each thought as “useful” (problem-solving or learning) or “useless” (rumination, self-criticism).

3

Eliminate the noise.

For each “useless” thought, brainstorm one action to address its root (e.g., schedule a call, practice self-compassion) or decide to let it go entirely.

Reflection Questions

  • Which recurring thoughts this week have I let distract me?
  • How often do my worries lead to concrete actions?
  • What small task could replace a rumination?
  • How will I remind myself to run this filter daily?

Personalization Tips

  • A designer records all her worries about an upcoming critique, then filters out thoughts she can’t act on, freeing mental space.
  • A teacher lists each anxious prediction about parent-teacher conferences and plans concrete prep tasks to replace them.
  • An aspiring writer notes moments of self-doubt, then chooses to focus on drafting a new chapter instead of spiraling.
  • story_format
  • concept_explainer
  • story_narrative
  • It was late evening when Alex realized he’d spent the last two hours replaying every awkward thing he’d said at a meeting. His head felt tight. He blinked at his blank screen, unable to write a single sentence of the proposal he’d promised. Honestly, it felt like a fog had settled in. He grabbed a notebook and scribbled every recurring thought: "I messed up my question." "They think I’m inexperienced." "What if they cancel the project?" He didn’t judge any of them, he just wrote. Later, under the dim desk lamp, he went through the list, marking thoughts that could directly solve the project challenge—"I need more data before next Thursday"—and circling the rest as noise. Alex closed the book, feeling lighter. He realized that nearly 80% of his mental chatter had been unhelpful—nothing he could act on. He discarded those entries and drafted a bullet-point plan for the 20% that solved real steps: schedule a quick client check-in, gather missing figures, outline a preliminary slide. Cognitive scientists call this process the "pragmatic filter," a method of aligning mental energy only with actionable, goal-oriented thinking. By regularly separating useful thoughts from clutter, Alex now meets his deadlines with less stress and finds new creative space each day.
  • story_action_steps
  • After noting each wandering thought in your notebook, gently label which ones help you solve a real problem or deepen your understanding, and which are just noise. Then either transform a useful thought into a next step—draft that outline, send that message—or let the rest evaporate. Notice how much lighter your mind feels when you focus only on what can move you forward. Try this post-dinner.
  • categories
  • Productivity
  • Decision Making
  • Mindfulness
THINK STRAIGHT: Change Your Thoughts, Change Your Life
← Back to Book

THINK STRAIGHT: Change Your Thoughts, Change Your Life

Darius Foroux 2017
Insight 2 of 8

Ready to Take Action?

Get the Mentorist app and turn insights like these into daily habits.