[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!

I have suffered, like other writers, from indolence, irresolution, distaste to my work, absence of 'inspiration,' and all that: but I have also found that sitting down, however reluctantly, with the pen in my hand, I have never worked for one quarter of an hour without finding myself in full train.

it matters infinitely less what we do than what we are.

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.

If there is any country on earth where the course of true love may be expected to run smooth, it is America.

It is my deliberate opinion that the one essential requisite of human welfare in all ways is scientific knowledge of human nature.

I loved, as I still love, the most monotonous life possible.