Of all forms of caution, caution in love is perhaps the most fatal to true happiness.

In the revolt against idealism, the ambiguities of the word experience have been perceived, with the result that realists have more and more avoided the word.

The best practical advice I can give to the present generation is to practice the virtue which the Christians call love.

Man can be scientifically manipulated.

I believe myself that romantic love is the source of the most intense delights that life has to offer. In the relation of a man and woman who love each other with passion and imagination and tenderness, there is something of inestimable value, to be ignorant of which is a great misfortune to any human being.

Every living thing is a sort of imperialist, seeking to transform as much as possible of its environment into itself.

Everybody can do something toward creating in his own environment kindly feelings rather than anger, reasonableness rather than hysteria, happiness rather than misery.