Truth is eternal, knowledge is changeable.
快乐的最好方式是感恩。
人类能够达到的最高活动是为了理解而学习，因为理解就是自由。
The true meaning of life is to plant trees under whose shade you do not expect to sit.
Programming is the art of telling another human being what one wants the computer to do.
Porcelain is the most alchemical of materials, turning earth into something that seems to hold light.
Gain wisdom through reflection.