The gem cannot be polished without friction, nor man perfected without trials.
My theory of evolution is that Darwin was adopted.
When I came back to Dublin I was courtmartialed in my absence and sentenced to death in my absence, so I said they could shoot me in my absence.
Obscurity is a good thing. You can fail in obscurity. It removes the fear of failure.
You never know how a horse will pull until you hook him up to a heavy load.
The trouble with our times is that the future is not what it used to be.
The art of war is simple enough. Find out where your enemy is. Get at him as soon as you can. Strike him as hard as you can, and keep moving on.