I can conceive few human states more enviable than that of the man to whom, panting in the foul laboratory, or watching for his life under the tropic forest, Isis shall for a moment lift her sacred veil, and show him, once and for ever, the thing he dreamed not of; some law, or even mere hint of a law, explaining one fact; but explaining with it a thousand more, connecting them all with each other and with the mighty whole, till order and meaning shoots through some old Chaos of scattered observations.

Make it a rule and pray to God to help you keep it . . . never, if possible, to lie down at night without being able to say "I have made one human being at least a little wiser, a little happier, or a little better this day."

The men whom I have seen succeed best in life always have been cheerful and hopeful men; who went about their business with a smile on their faces; and took the changes and chances of this mortal life like men; facing rough and smooth alike as it came.

Music has been called the speech of the angels; I will go farther and call it the speech of God Himself.

If I am ever obscure in my expressions, do not fancy that therefore I am deep. If I were really deep, all the world would understand, though they might not appreciate. The perfectly popular style is the perfectly scientific one. To me an obscurity is a reason for suspecting a fallacy.

A man may learn from his Bible to be a more thorough gentleman than if he had been brought up in all the drawing-rooms in London.

Being forced to work, and forced to do your best, will breed in you temperance and self-control, diligence and strength of will, cheerfulness and content, and a hundred virtues which the idle will never know.