Problems are not stop signs, they are guidelines.
The dog that trots about finds a bone.
Be gentle to all and stern with yourself.
If you're going through hell, keep going.
If you've got a talent, protect it.
Be kind whenever possible. It is always possible.
Be thine own palace, or the world's thy jail.
The secret of getting ahead is getting started.
Things do not happen. Things are made to happen.
Expect problems and eat them for breakfast.
The sum of the whole is plainly this: The nature of man considered in his single capacity, and with respect only to the present world, is adapted and leads him to attain the greatest happiness he can for himself in the present world.