The very important thing you should have is patience.
"What is a poet? An unhappy person who conceals profound anguish in his heart but whose lips are so formed that as sighs and cries pass over them they sound like beautiful music."
Every man is his own greatest enemy， and as it were his own murderer.
预测未来的最好方式就是创造未来。
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.