To be born, to live and to die is merely to change forms... And what does one form matter any more than another?... Each form has its own sort of happiness and unhappiness. From the elephant down to the flea... from the flea down to the sensitive and living molecule which is the origin of all, there is not a speck in the whole of nature that does not feel pain or pleasure.

Language exists only when it is listened to as well as spoken. The hearer is an indispensable partner.

I know that there are many persons to whom it seems derogatory to link a body of philosophic ideas to the social life and cultureof their epoch. They seem to accept a dogma of immaculate conception of philosophical systems.

The moment philosophy supposes it can find a final and comprehensive solution, it ceases to be inquiry and becomes either apologetics or propaganda.

Good manners come, as we say, from good breeding or rather are good breeding; and breeding is acquired by habitual action, in response to habitual stimuli, not by conveying information.

There is not, in fact, any such thing as the direct influence of one human being on another apart from use of the physical environment as an intermediary. A smile, a frown, a rebuke, a word of warning or encouragement, all involve some physical change. Otherwise, the attitude of one would not get over to alter the attitude of another.

The most important attitude that can be formed is that of desire to go on learning.