生存下来的不是最强壮的，也不是最聪明的，而是最能适应变化的。
It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.
"La muerte no es el final, sino un cambio de estado."
创新不是对每件事都说“是”，而是对除最关键功能外的一切说“不”。
【译文】孔子说：“经常学习，不也喜悦吗？远方来了朋友，不也快乐吗？得不到理解而不怨恨，不也是君子吗？”
"A good book should leave you slightly exhausted at the end. You live several lives while reading it."
幸福的秘密在于看到世界上的所有奇迹，并且永远不要忘记勺子上的油滴。
The beauty of mathematics is that it is both precise and creative.
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.