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.

When things have a meaning for us, we mean (intend, propose) what we do: when they do not, we act blindly, unconsciously, unintelligently.

The best preparation for the future is a well-spent today.

There is nothing left worth preserving in the notions of unseen powers, controlling human destiny, to which obedience and worship are due.

Selection aims not only at simplifying but at weeding out what is undesirable.

Without the English, reason and philosophy would still be in the most despicable infancy in France.

There is no god and there is no soul. Hence, there is no need for the props of traditional religion. With dogma and creed excluded, then immutable truth is dead and buried. There is no room for fixed and natural law or permanent moral absolutes.