Memory is identity... You are what you have done; what you have done is in your memory; what you remember defines who you are.
悲观主义者的决定性特征是,他们倾向于相信坏事会持续很长时间,会破坏他们所做的一切,并且是他们自己的错。
Never stop learning. The moment you think you know it all is the moment you fail.