教师的最大幸福就是把一群群孩子送往理想的彼岸。

A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.

Time does not move in a straight line; it folds back on itself.

You see, but you do not observe.

人生最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

学校应当是一个组织儿童集体生活的地方，以促进他们的全面发展。

The longer I live the more I see that I am never wrong about anything, and that all the pains I have so humbly taken to verify my notions have only wasted my time.

最重要的是享受生活——快乐——这才是最重要的。