The best way to understand a program is to try to change it.
理解程序的最好方法是尝试改变它。
Light is the origin of all being.
Wood has a memory. It remembers the forest. It remembers the tree.
富贵时不轻视别人,贫穷时不改变德行。无论富贵贫穷、地位尊卑,只要有坦荡的胸怀、助人的美德, 就能成就璀璨的人生。
Happiness is a state of mind, not a set of circumstances.
最好的图画书能为不同年龄段的读者提供不同层次的阅读体验。