我们应该把所有法则或理论都视为假设或推测。
The only person you should try to be better than is the person you were yesterday.
矿业的未来在于科技与可持续性。
每件促使我们注意到他人的事,都能使我们更好地理解自己。
I'm not comfortable with comfort. I'm only comfortable when I'm uncomfortable.
Read not to contradict and confute; nor to believe and take for granted; nor to find talk and discourse; but to weigh and consider.
我喜欢快乐,我喜欢玩乐。我喜欢和积极快乐的人在一起。
在数学中,提出问题的艺术必须比解决问题更有价值。