The measure of a good book is determined by how much it disturbs the reader.
真正的快乐来自于内心的满足。
The most exciting moments in mathematics are when you discover something that was hidden in plain sight.
人们在做事时绝不能够拖拉,不能够反复多变,不能够斤斤计较;可是替别人做事时,却特别需要耐得住拖延耽搁,耐得住反复多变,耐得住琐碎烦乱。
"La memoria es un tesoro que debemos cuidar y preservar."
Young people must equip themselves for life's duties and guard against its temptations.