A man cannot speak to his son, but as a father; to his wife, but as a husband; to his enemy, but upon terms: whereas a friend may speak, as the case requires, and not as it sorteth with the person.

Many secrets of art and nature are thought by the unlearned to be magical.

But by far the greatest obstacle to the progress of science and to the undertaking of new tasks and provinces therein is found in this-that men despair and think things impossible.

A king that would not feel his crown too heavy for him, must wear it every day; but if he think it too light, he knoweth not of what metal it is made.

Money is a good servant, a dangerous master.

Photographs are not only points of reference... they're often triggers of ideas.

Habit, if wisely and skillfully formed, becomes truly a second nature; but unskillfully and unmethodically depicted, it will be as it were an ape of nature, which imitates nothing to the life, but only clumsily and awkwardly