Don't worry if people don't recognize your merits; worry that you may not recognize theirs.

If doing what ought to be done be made the first business and success a secondary consideration--is not this the way to exalt virtue?

He who learns but does not think, is lost! He who thinks but does not learn is in great danger... Men of superior mind busy themselves first getting at the root of things; when they succeed, the right course is open to them.

A youth, when at home, should be filial, and, abroad, respectful to his elders.

You can successfully force people to follow a certain course, but you cannot force them to understand it.

I will not be concerned at other men's not knowing me;I will be concerned at my own want of ability.

A fool marvels at rare things, but a wise man at common ones.