In antiquity men studied for their own sake; nowadays men study for the sake of impressing others.
Settle one difficulty, and you keep a hundred away.
The perfecting of one's self is the fundamental base of all progress and all moral development.
A good man does not make a warrior, just as good steel does not go for nails.
If you want to change the world, first change your heart.
The journey with a 1000 miles begins with one step.