不可不知有生之乐,亦不可不怀虚生之忧。
解释:不可以不知道活着的乐趣,也不可以不知道虚度光阴的担忧。
"A book is a dream that you hold in your hand."
领导力就是做出艰难的决定并坚持到底。
The weight of evidence for an extraordinary claim must be proportioned to its strangeness.