If a man will begin with certainties， he shall end in doubts； but if he will be content to begin with doubts， he shall end in certainties.
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。
Quality should never be compromised for short-term gains.
The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.
The beauty of mathematics only shows itself to more patient followers.