The task must be made difficult, for only the difficult inspires the noble-hearted.

In order to help another effectively, I must understand what he understands. If I do not know that, my greater understanding will be of no help to him... instruction begins when you put yourself in his place so that you may understand what he understands and in the way he understands it.

To be a teacher does not mean simply to affirm that such a thing is so, or to deliver a lecture, etc.

During the first period of a man's life the greatest danger is not to take the risk.

Let others mock at you, oppose you, when you are under the influence of any passion; do not be in the least offended with those who mock at or oppose you, for they do you good; crucify your self-love and acknowledge the wrong, the error of your heart. But have the deepest pity for those who mock at words and works of faith and piety, of righteousness; for those who oppose the good which you are doing... God preserve you - getting exasperated at them.

If I had a humble spirit in my service who, when I asked for a glass of water, brought me the world's costliest wines blended in a chalice, I should dismiss him, in order to teach him that my pleasure consists, not in what I enjoy, but in having my own way.

Adversity not only draws people together, but brings forth that beautiful inward friendship.