"Capacity for the nobler feelings is in most natures a very tender plant, easily killed, not only by hostile influences, but by mere want of sustenance."

"Men are not more zealous for truth than they often are for error, and a sufficiently frequent repetition of error, if not contradicted, passes for truth."

"The liberty of the individual must be thus far limited; he must not make himself a nuisance to other people."

"Most of the great positive evils of the world are in themselves removable, and will, if human affairs continue to improve, be in a great degree reduced in bulk."

"The sole end for which mankind are warranted, individually or collectively, in interfering with the liberty of action of any of their number, is self-protection."