You are never too old to set another goal or to dream a new dream.
你永远不会太老去设定另一个目标或梦想一个新的梦想。
对于任何事务,要改变它就要先接受它。谴责不会解放而只会压迫。
Mathematics is the organ with which we comprehend the phenomena of nature.
True innovation comes from the ultimate pursuit of details.
 如果一个人从确定性开始,最终将陷入怀疑;但如果他愿意从怀疑开始,最终将得到确定性。