Education alone can conduct us to that enjoyment which is, at once, best in quality and infinite in quantity.

Astronomy is one of the sublimest fields of human investigation. The mind that grasps its facts and principles receives something of the enlargement and grandeur belonging to the science itself. It is a quickener of devotion.

The highest service we can perform for others is to help them help themselves.

Genius may conceive but patient labor must consummate.

Let us not be content to wait and see what will happen, but give us the determination to make the right things happen.

The soul of the truly benevolent man does not seem to reside much in his own body. Its life, to a great extent, is a mere reflex of the lives of others. It migrates into their bodies, and identifying its existence with their existence, finds its own happiness in increasing and prolonging their pleasures, in extinguishing or solacing their pains.

Be careful never to retire to rest in a room not properly ventilated.