A computer does not substitute for judgment any more than a pencil substitutes for literacy. But writing without a pencil is no particular advantage. Robert McNamara
Advertising is, actually, a simple phenomenon in terms of economics. It is merely a substitute for a personal sales force - an extension, if you will, of the merchant who cries aloud his wares. Rosser Reeves
Any reading not of a vicious species must be a good substitute for the amusements too apt to fill up the leisure of the labouring classes. James Madison
Carry out the republican principle of universal suffrage, or strike it from your banners and substitute 'Freedom and Power to one half of society, and Submission and Slavery to the other.' Ernestine Rose