The past is never truly gone; it lives in us, shaping who we are.

I'm not a perfectionist, but I like to feel that things are done well. More important than that, I feel an endless need to learn, to improve, to evolve.

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

The best way to learn mathematics is to do mathematics.

黑暗不能驱逐黑暗；只有光明能够做到。仇恨不能驱逐仇恨；只有爱能够做到。