Organs, faculties, powers, capacities, or whatever else we call them; grow by use and diminish from disuse, it is inferred that they will continue to do so. And if this inference is unquestionable, then is the one above deduced from it-that humanity must in the end become completely adapted to its conditions-unquestionable also. Progress, therefore, is not an accident, but a necessity.

Pervading all nature we may see at work a stern discipline , which is a little cruel that it may be very kind.

The greatest of all infidelities is the fear that the truth will be bad.

Be bold, be bold, and everywhere be bold.

Old forms of government finally grow so oppressive that they must be thrown off even at the risk of reigns of terror.

So long as selfishness makes government needful at all, it must make every government corrupt, save one in which all men are represented.

Progress is not an accident, not a thing within human control, but a beneficent necessity ... due to the working of a universal law. So surely must the things we call evil and immorality disappear; so surely must man become perfect.