Silence is sometimes more powerful than words.

数学的美在于它既是艺术又是科学。

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

写作的行为是一种希望的行为。

Success is not final, failure is not fatal: it is the courage to continue that counts.

成功不是终点，失败也并非致命，重要的是继续前进的勇气。