The past is a foreign country; they do things differently there.

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.

However difficult life may seem, there is always something you can do and succeed at.

在这个快速变化的行业中，我们必须适应，否则就会被淘汰。

If you don't know where you are going, any road will get you there.