The best time to plant a tree was 20 years ago; the second best time is now.
我们写作不是因为我们想写,而是因为我们不得不写。
The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.
行为主义者问:为什么我们不把可观察的东西作为心理学的真正领域?
书是一份永远不会失去价值的宝藏。
A thriving forest is the ultimate measure of success.
The best books are those that leave you changed.