永不，永不，永不屈服。
The joy of discovery in mathematics is like solving a puzzle that the universe has left for us.
自然界和道德世界是人类理性关注的双重对象。
When a child asks an endless string of “why？” questions， the smartest reply is， “I don’t know， what do you think？”
农业的未来在于平衡生产力与环境管理的可持续实践。
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身边的人。
无论什么年龄，人心只会向同样敞开的心敞开。
The desire for recognition is the most fundamental human desire.
Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.
