The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
The only limits we have are the ones we set for ourselves.
成功不在于你赚了多少钱,而在于你对人们生活的影响。