永不放弃。
We have to continually be jumping off cliffs and developing our wings on the way down.
Never stop learning; the industry is always evolving.
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
Act as if what you do makes a difference. It does.
The most important thing is to keep thinking, keep questioning.
教育儿童，就不需要惩罚成年人。