It's not what you give, it's the way you give it.
Pain is weakness leaving your body.
Empty your mind, be formless. Shapeless, like water. If you put water into a cup, it becomes the cup. You put water into a bottle and it becomes the bottle. You put it in a teapot it becomes the teapot. Now, water can flow or it can crash. Be water, my friend.
Success is not in reaching the destination, but in making the journey.
If you want to do your duty properly, you should do just a little more than that.
The best form of endurance exercise is the performance of the event.