The most important skill in mathematics is the ability to ask the right questions.

When checking references for a job applicant， employers may be reluctant or prohibited from saying anything negative， so leave or send a message that says， “Get back to me if you highly recommend this applicant as super great.” If they don’t reply take that as a negative.

The unity of Europe is a historical necessity.

在探索宇宙的过程中，我们必须拥抱未知和不可知的事物。

"A good picture book is like a good joke - it needs perfect timing."