Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing or learning to do.
In the end, we will remember not the words of our enemies, but the silence of our friends.
The beauty of mathematics only shows itself to more patient followers.
不要去寻找决定性时刻，因为它们永远不会到来。决定你的时刻已经发生，也会再次发生。
The task of the writer is to make the invisible visible.