A man who reviews the old so as to find out the new is qualified to teach others.
To know everything is to know nothing, but to know nothing is to know everything.
When a man is guided by the principles of reciprocity and consciousness, he is not far from the moral law. Whatever you don't wish for yourself don't do unto others.
The vices come as passengers, visit us as guest and stay as masters.
The superior man thinks always of virtue; the common man thinks of comfort.
To be wealthy and honored in an unjust society is a disgrace.