The materials of wealth are in the earth, in the seas, and in their natural and unaided productions. - Daniel Webster
The novelist is more like a pregnant woman who delivers her own child unaided. A messy procedure, with lots of groaning. - David Mitchell
We need not take refuge in supernatural gods to explain our saints and sages and heroes and statesmen, as if to explain our disbelief that mere unaided human beings could be that good or wise. - Abraham H. Maslow