Since belief is measured by action, he who forbids us to believe religion to be true, necessarily also forbids us to act as we should if we did believe it to be true.

The more rational statement is that we feel sorry because we strike, afraid because we tremble, and not that we cry, strike, or tremble because we are sorry, angry, or fearful as the case may be.

To kill time is not murder, it's suicide.

The only function that one experience can perform is to lead into another experience; and the only fulfillment we can speak of isthe reaching of a certain experienced end. When one experience leads to (or can lead to) the same end as another, they agree in function.

Habit is the great flywheel of society.

When two minds of a high order, interested in kindred subjects, come together, their conversation is chiefly remarkable for the summariness of its allusions and the rapidity of its transitions. Before one of them is half through a sentence the other knows his meaning and replies. ... His mental lungs breathe more deeply, in an atmosphere more broad and vast.

True is the name for whatever idea starts the verification process, useful is the name for its completed function in experience