A man should practice what he preaches, but a man should also preach what he practices.
The demands that a great man makes are on himself; those of a petty man are upon others.
We should not be too familiar with the lower orders or with women.
Among the appliances to transform the people, sound and appearances are but trivial influences.
When one cultivates to the utmost the principles of his nature, and exercises them on the principle of reciprocity, he is not far from the path.
Study as though you cannot catch up to it, and as though you fear you are going to lose it.