Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

"The beauty of mathematics only shows itself to more patient followers."

你送给我桃子，我就回报给你李子。意思是做人要知恩图报，不能忘恩负义。也比喻礼尚往来，相互赠送礼物。

A fool always finds a greater fool to admire him.