There are three methods to gaining wisdom. The first is reflection, which is the highest. The second is limitation, which is the easiest. The third is experience, which is the bitterest.
I hear, I know. I see, I remember. I do, I understand.
When you are laboring for others let it be with the same zeal as if it were for yourself.
The superior man is modest in his speech, but exceeds in his actions.
To see the right and not to do it is cowardice.
It does not matter how slowly you go, so long as you do not stop.
To know what is right and not to do it is the worst cowardice.