在学习结束时，我们知道物理学的所有过去，但对现在和未来一无所知。
At the close of our studies， we knew all the past of physics， but nothing of the present and the future.
None but the brave deserves the fair.
Leadership in agriculture means listening to the land and the people who work it, then making decisions that benefit both.
Where parents do too much for their children, the children will not do much for themselves.
心理学的任务是将复杂的心理现象还原为最简单的组成部分。
什么人背后不被人说，又有谁在别人面前不去议论人呢？
I don't live in the past, I focus on the present and the future.
解释：想要变得刚强，必定先要保持柔和；想要变得强大，一定先要保持弱小。