You do not really understand something unless you can explain it to your grandmother.

Any fool can know. The point is to understand.

Peace cannot be kept by force; it can only be achieved by understanding.

If God has created the world, his primary worry was certainly not to make its understanding easy for us

Understanding of our fellow human beings...becomes fruitful only when it is sustained by sympathetic feelings in joy and sorrow.

I feel that you are justified in looking into the future with true assurance, because you have a mode of living in which we find the joy of life and the joy of work harmoniously combined. Added to this is the spirit of ambition which pervades your v