语出西汉·桓宽《盐铁论·力耕》 。治理家庭不能靠一件财宝；治理国家，不能靠一种方法。

Don't let anyone tell you that you can't do something.

The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.

I'm not afraid to die, I'm afraid not to have tried.