The greatest enemy of a good plan is the dream of a perfect plan.
Ideas are like fish. If you want to catch little fish, you can stay in the shallow water. But if you want to catch the big fish, you've got to go deeper.
筹划洋人的事情一定要先了解洋人的情况，要了解洋人的情况一定知道洋人的情况。
The only way to do great work is to love what you do.
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.