The greatest killer of happiness is comparison. If you must compare, compare yourself to you yesterday
比較是幸福的最大殺手。如果一定要比較,就拿昨天的自己作為比較對(duì)象。
The true test of a mathematical idea is its ability to inspire further thought.
每一個(gè)心理行為都是調(diào)整的行為。
確保和平的唯一方式就是隨時(shí)準(zhǔn)備戰(zhàn)爭(zhēng)。