活在当下的能力是心理健康的重要组成部分。

I don't need a reason to love myself.

The growing good of the world is partly dependent on unhistoric acts; and that things are not so ill with you and me as they might have been, is half owing to the number who lived faithfully a hidden life, and rest in unvisited tombs. ― George Eliot, Middlemarch

The body is your instrument in dance, but your art is outside that creature, the body.

数学的真正乐趣在于发现的过程，而不仅仅是结果。