Philosophy is a battle against the bewitchment of our intelligence by means of language.
Theorems are the permanent literature of mathematics.
译文：用平和的态度待人接物，不要违背习俗，自视清高；以正直的心态对人，不要故意算计别人，自以为很聪明。赏析：做人就要低调谦恭，不可恃才傲物，更不可处处算计别人，否则，终究会被别人算计，严重者会给自己带来无边的祸患。
Fearless is not the absence of fear. It's not being completely unafraid. Fearless is having fears. Fearless is having doubts. Lots of them. Fearless is living in spite of those things, every day.
過去を変えることはできないが、未来は変えられる。
Understanding the mind requires understanding how symbols are grounded in perception and action.