Life is like a mountain: after climbing up one side and sliding down the other, put up the sled.

If you believe you can do something, then you can acquire the ability to do it even if you didn't have it in the beginning.

Love is like the measles; we can't have it bad but once, and the later in life we have it the tougher it goes with us.

As long as we are lucky we attribute it to our smartness; our bad luck we give the gods credit for.

Advice is like castor oil — easy enough to give but dreadful hard to take.

The highest philosophers, in explaining the mystery of this world, are obliged to call in the aid of another.

It is much easier to repent of sins that we have committed than to repent of those that we intend to commit.