The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.

The key to success in trading is discipline and risk management.

"Reading is the most important skill a child can learn."

墨子说：言论如果能够付诸行动的就可以讲；不能够付诸行动的就别多说。言论不能付诸行动的而常讲，这就是卖弄口才了。