Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

All the adversity I've had in my life, all my troubles and obstacles, have strengthened me... You may not realize it when it happens, but a kick in the teeth may be the best thing in the world for you. 

Whether you think that you can, or that you can't, you are usually right. 

Jesus is ideal and wonderful, but you Christians - you are not like him.

The relationship between husband and wife should be one of closest friends.

I shall never believe that God plays dice with the world.

Bad men are full of repentance.

When I have fully decided that a result is worth getting A go ahead of it and make trial after trial until it comes.

Therefore, the good of man must be the end of the science of politics.

The best way to supervise your men is from their reports that they make out. 

There is some solution to every problem. No lock was ever made without keys.

I feel exhausted if I teach too long.