Some books are to be tasted， others to be swallowed， and some few to be chewed and digested.
有些书应该只是尝试一下，有些应该被吸收，而有极少数书应该被咀嚼和消化。
质量是我们产品的生命线，我们绝不能在这方面妥协。
Every challenge is an opportunity to grow stronger and wiser.
Life is a great big canvas，and you should throw all the paint on it you can.
The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.
"Life is a series of choices, and the ones you don't make are just as important as the ones you do."