可持续发展不是一种选择；它是我们对后代的责任。
Sustainability isn't an option; it's our responsibility to future generations.
The individual has always had to struggle to keep from being overwhelmed by the tribe.
I profess both to learn and to teach anatomy, not from books but from dissections.
文学是人类灵魂的声音。
Some people go to priests; others to poetry; I to my friends.
"The best way to predict the future is to invent it."
The mind is a system of coordinated activities.