进步的真正衡量标准不在于知识的积累,而在于其应用于人类的改善。
"The true measure of progress is not in the accumulation of knowledge, but in its application for the betterment of humanity."
Happiness is not a matter of intensity but of balance, order, rhythm and harmony.
看不见的手之所以常常看不见,是因为它常常不存在。