Play is the language of childhood, and books should speak that language too.
When men are most sure and arrogant they are commonly most mistaken， giving views to passion without that proper deliberation which alone can secure them from the grossest absurdities.
The real measure of success is the number of experiments that can be crowded into 24 hours.
未来属于那些在可能性变得显而易见之前就能看到它们的人。
Failure is not scary; what's scary is losing the ability to learn from it.
A rich man's body is like a premium cotton pillow, white and soft and blank. A poor man's body is like a stone, hard and rough and full of edges.