你停止尝试的那一刻就是你停止学习的那一刻。

"The measure of a civilization is how it treats its weakest members."

Sometimes the most ordinary things are the hardest to explain.

The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.

时间是最民主的东西；它平等地给予每个人，但每个人使用它的方式不同。