Always look at what you have left. Never look at what you have lost.
"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."
Nature is the greatest teacher and I learn from her best when others are asleep.
Love is the only sane and satisfactory answer to the problem of human existence.
The best fertilizer is the farmer's shadow in the field.
"你越是试图理解镜子，就越少知道。"