A living thing is distinguished from a dead thing by the multiplicity of the changes at any moment taking place in it.

No one can be perfectly free till all are free; no one can be perfectly moral till all are moral; no one can be perfectly happy till all are happy.

What a cage is to the wild beast, law is to the selfish man.

Every cause produces more than one effect.

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.

People are beginning to see that the first requisite to success in life is to be a good animal.

Mental power cannot be got from ill-fed brains.