言足以复行者,常之;不足以举行者,勿常。不足以举行而常之,是荡口也。
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。
There are only two things in life that are busy living and dying.
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.