The past is always there, and it's always different every time you look at it.
I'm not afraid to fail. I'm afraid of not trying.
译文:连续地打仗,百姓就会感到劳苦;长期打仗,士兵就会感到疲惫。
"You can't control everything, but you can control how you react to things."
Cheerfulness is the best promoter of health and is as friendly to the mind as to the body.
数学不是一项观赏性运动。
最好的领导者是那些最热衷于让比自己更聪明的人围绕在自己身边的人。
无论是正确的还是错误的,经济学家和政治哲学家的思想都比通常理解的有力。确实,世界不受其他任何事物统治。自信不被知识分子影响的那些所谓务实的人,往往只是几个过时经济学家思想的奴隶。(Concluding Notes. p. 383-384)