No man can hope to accomplish anything great in this world until he throws his whole soul, flings the force of his whole life, into it. It is not enough simply to have a general desire to accomplish something. There is but one way to do that; and that is, to try to be somebody with all the concentrated energy we can muster.
Orison Swett MardenYou will never succeed while smarting under the drudgery of your occupation, if you are constantly haunted with the idea that you could succeed better in something else.
Orison Swett Marden