Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
New opinions are always suspected, and usually opposed, without any other reason but because they are not already common.
野外不在乎你是谁。它只在乎你是否能生存。
The worst pain a man can suffer is to have insight into much and power over nothing.
El tiempo es el mejor autor: siempre encuentra un final perfecto.
Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
从做必要的事情开始；然后做可能的事情；突然间你就在做不可能的事情了。