勇敢并不是没有恐惧。勇敢是虽然有恐惧，但能找到克服它的方法。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
The artist is the confidant of nature, flowers carry on dialogues with him through the graceful bending of their stems and the harmoniously tinted nuances of their blossoms.
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
To lose a language is to lose a way of seeing the world.
The cost of inaction is far greater than the cost of action.
艺术中没有“太多”，只有“不够”。
数学的本质在于它的自由。