老脑筋就像老马；如果你想保持它们的工作状态，你必须锻炼它们。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
喜欢说话而又不恰当，不如少说话为好。博学多识但不知道反省自己，一定会出问题。孔子说“言寡尤，行寡悔，禄在其中矣” ，言语上减少过失，行为上减少悔恨，多反省自己，慎言慎行，成功就不会远了。
“谁如命运似的催着我向前走呢？““那是我自己，在身背后大跨步走着。”
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
学习数学的唯一方法就是做数学。
The mind is nothing but the sum total of human experience considered from the standpoint of dependence upon the experiencing individual.
