Success is not final, failure is not fatal: It is the courage to continue that counts.
数学是一门活生生的学科,随着新的思想和发现不断演变。
I'm the type of person that if you ask me a question and I don't know the answer, I'm gonna tell you that I don't know. But I bet you what, I know how to find the answer and I will find the answer.
The most successful investors are those who can remain calm during market turbulence.