Science is nothing but trained and organized common sense. — Thomas H. Huxley. English biologist and comparative anatomist (1825–1895)
Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation.
Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not; it is the first lesson that ought to be learned; and however early a man's training begins, it is probably the last lesson that he learns thoroughly.