Sarcasm I now see to be, in general, the language of the devil; for which reason I have long since as good as renounced it.

Why did not somebody teach me the constellations, and make me at home in the starry heavens, which are always overhead, and which I don't half know to this day?

What we become depends on what we read after all of the professors have finished with us. The greatest university of all is a collection of books.

When we can drain the Ocean into mill-ponds, and bottle up the Force of Gravity, to be sold by retail, in gas jars; then may we hope to comprehend the infinitudes of man's soul under formulas of Profit and Loss; and rule over this too, as over a patent engine, by checks, and valves, and balances.

I don't like to talk much with people who always agree with me. It is amusing to coquette with an echo for a little while, but one soon tires of it.

Unity, agreement, is always silent or soft-voiced; it is only discord that loudly proclaims itself.

The healthy know not of their health, but only the sick: this is the physician's aphorism, and applicable in a far wider sense than he gives it.