Happiness consists in the full employment of our faculties in some pursuit.

Who is apt, on occasion, to assign a multitude of reasons when one will do? This is a sure sign of weakness in argument.

All people interested in their work are liable to overrate their vocation. There may be makers of dolls' eyes who wonder how society would go on without them.

My business in life has been to think and learn, and to speak out with absolute freedom what I have thought and learned. The freedom is itself a positive and never-failing enjoyment to me, after the bondage of my early life.

[On being deaf:] How much less pain there is in calmly estimating the enjoyments from which we must separate ourselves, of bravely saying, for once and for ever, 'Let them go,' than in feeling them waste and dwindle, till their very shadows escape from our grasp!

Of tobacco and its consequences, I will say nothing but that the practice is at too bad a pass to leave hope that anything that could be said in books would work a cure. If the floors of boarding-houses, and the decks of steam-boats, and the carpets of the Capitol, do not sicken the Americans into a reform; if the warnings of physicians are of no avail, what remains to be said? I dismiss the nauseous subject.

When once experience taught me that I could work when I chose, and within a quarter of an hour of my determining to do so, I was relieved, in a great measure, from those embarrassments and depressions which I see afflicting many an author who waits for a mood instead of summoning it, and is the sport, instead of the master, of his own impressions and ideas.