获得朋友的唯一方法就是先成为朋友。
The night is a great poem, and the stars are its verses.
Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.
The key to understanding human cognition is to understand how symbols are manipulated.