巧者劳而智者忧，无能者无所求。
有技巧的人劳累，聪明的人忧虑，没有本事的人没有追求。
If you’re changing the world, you’re working on important things. You’re excited to get up in the morning.
The soul is the living bridge between the spirit and the body.
每本书都是一次旅程，每次旅程都是一本书。
The essence of mathematics is not just in solving problems but in asking the right questions.
The best way to predict the future is to invent it.
每天进步1%，一年后你会强大37倍。