解析：教导学生，不到他想弄明白而不得的时候，不去开导他；不到他想出来却说不出来的时候，不去启发他。

The best way to test a program is to test it.

The stock market is a device for transferring money from the impatient to the patient.

I don't think about age. I think about people's spirit and energy and if they're positive and if they're fun to be around.

O sonho é a matéria-prima da realidade.

Be the change you wish to see in the world.