A Few Practices for Philosophical Growth

Bremer Acosta
9 min readSep 23, 2023

“He who knows only his own side of the case knows little of that. His reasons may be good, and no one may have been able to refute them. But if he is equally unable to refute the reasons on the opposite side, if he does not so much as know what they are, he has no ground for preferring either opinion… Nor is it enough that he should hear the opinions of adversaries from his own teachers, presented as they state them, and accompanied by what they offer as refutations. He must be able to hear them from persons who actually believe them… He must know them in their most plausible and persuasive form.”

— John Stewart Mill

“Absorb what is useful, discard what is useless and add what is specifically your own.”

— Bruce Lee

“Whatever The Thinker Thinks, The Prover Proves.”

Party Experiment:

Before you attend a social event, tell yourself that you are ugly, selfish, and dumb.

Notice how people treat you.

On another occasion, tell yourself that you are good-looking, generous, and smart.

Notice how people treat you.

You Are What You Eat Experiment:

For one month, watch only horror movies, true crime documentaries, and news reports.

Write a reflection about the future of civilization.

For one month, watch only funny movies and stand up comedy routines. Read joke books and satirical plays and humor magazines.

Write a reflection about the intrinsic qualities of humanity.


  • How do your beliefs influence your perception of reality?
  • How much of your identity is dependent on the information…