The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

The mind is an active, dynamic process, not a passive receptacle.

The poet is a man who can turn the ordinary into the extraordinary.

In a state, the liberty of one citizen is a menace to the others.

The most important object of both the workmen and the management should be the training and development of each individual in the establishment, so that he can do (at his fastest pace and with the maximum of efficiency) the highest class of work for which his natural abilities fit him.