That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
Life is what happens when you’re busy making other plans.
The world is everything that is the case.
历史的重量由那些记得的人承担。
释义:权力决策必须冷酷,优柔寡断者不配掌权。
计算机能否思考的问题就像潜艇能否游泳的问题。