Poor human reason, when it trusts in itself, substitutes the strangest absurdities for the highest divine concepts. John Chrysostom
Democracy is a form of government that substitutes election by the incompetent many for appointment by the corrupt few. George Bernard Shaw
The absolute yearning of one human body for another particular body and its indifference to substitutes is one of life's major mysteries. Iris Murdoch
There are no adequate substitutes for father, mother, and children bound together in a loving commitment to nurture and protect. No government, no matter how well-intentioned, can take the place of the family in the scheme of things. Gerald Ford
In Darwin's theory, you just have to substitute 'mutations' for his 'slight accidental variations' (just as quantum theory substitutes 'quantum jump' for 'continuous transfer of energy'). In all other respects little change was necessary in Darwin's theory... Erwin Schrödinger
The average TV commercial of sixty seconds has one hundred and twenty half-second clips in it, or one-third of a second. We bombard people with sensation. That substitutes for thinking. Ray Bradbury