Novelty is indeed necessary to preserve eagerness and alacrity; but art and nature have stores inexhaustible by human intellects, and every moment produces something new to him who has quickened his faculties by diligent observation.
Samuel JohnsonLife is barren enough surely with all her trappings; let us be therefore cautious of how we strip her.
Samuel JohnsonHe that can swim needs not despair to fly; to swim is to fly in a grosser fluid, and to fly is to swim in a subtler. We are only to proportion our power of resistance to the different density of matter through which we are to pass. You will be necessarily upborne by the air if you can renew any impulse upon it faster than the air can recede from the pressure.
Samuel Johnson