The successful conduct of an industrial enterprise requires two quite distinct qualifications: fidelity and zeal.

All that makes existence valuable to any one depends on the enforcement of restraints upon the actions of other people.

The application of algebra to geometry ... has immortalized the name of Descartes, and constitutes the greatest single step ever made in the progress of the exact sciences.

There is always need of persons not only to discover new truths, and point out when what were once truths are true no longer, but also to commence new practices, and set the example of more enlightened conduct, and better taste and sense in human life.

Among the works of man, which human life is rightly employed in perfecting, the first in importance surely is man himself.

The despotism of custom is on the wane. We are not content to know that things are; we ask whether they ought to be.

I have observed that not the man who hopes when others despair, but the man who despairs when others hope, is admired by a large class of persons as a sage.