It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.
Art should not be a luxury, but a daily necessity for everyone.
教育与收入之间的关系是复杂的,并且在不同背景下有所不同。
农业的成功来自于理解自然,而不是与之对抗。
The only limits you have are the limits you believe.
Mathematics is the language with which God has written the universe.