I don’t let fear define me, I let it refine me.

The function of prayer is not to influence God, but rather to change the nature of the one who prays.

数学是给不同事物起相同名称的艺术。

Don't be embarrassed by your failures, learn from them and start again.

释义：财富和地位并没有固定的来源，都是通过勤奋努力得来的。

You never fail until you stop trying.