The man who believes that the secrets of the world are forever hidden lives in mystery and fear. Superstition will drag him down. The rain will erode the deeds of his life. But that man who sets himself the task of singling out the thread of order from the tapestry will by the decision alone have taken charge of the world and it is only by such taking charge that he will effect a way to dictate the terms of his own fate.

解释：看到兔子再回头唤猎狗，还不算太晚；跑掉了羊再去修补羊圈，也不算太迟。

人是唯一会在同一块石头上绊倒两次的动物。

领导力就是做出艰难的决定并坚持到底。

每个人都有值得讲述的故事，每个故事都有值得学习的教训。

The pursuit of mathematical knowledge is a never-ending adventure.

永远不要停止学习——当你认为自己什么都懂的那一刻，就是你开始落后的时刻。