When she was fifteen if you'd told her that when she was twenty she'd be going to bed with bald-headed men and liking it, she would have thought you very abstract.
H. G. WellsWhen the mind grapples with a great and intricate problem, it makes its advances step by step, with but little realization of the gains it has made, until suddenly, with an effect of abrupt illumination, it realizes its victory.
H. G. Wells