We must infer that a plant or animal of any species, is made up of special units, in all of which there dwells the intrinsic aptitude to aggregate into the form of that species: just as in the atoms of a salt, there dwells the intrinsic aptitude to crystallize in a particular way.‎

Mother, when your children are irritable, do not make them more so by scolding and fault-finding, but correct their irritability by good nature and mirthfulness. Irritability comes from errors in food, bad air, too little sleep, a necessity for change of scene and surroundings; from confinement in close rooms, and lack of sunshine.

Be bold, be bold, and everywhere be bold.

In the supremacy of self-control consists one of the perfections of the ideal man.

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

Reading is seeing by proxy.

Practical atheism, seeing no guidance for human affairs but its own limited foresight, endeavors itself to play the god, and decide what will be good for mankind and what bad.