聪明的人戒太明察,刚强的人戒太暴躁,温和的人戒优柔寡断。
Happiness is secured through virtue; it is a good attained by man's own will.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.