The greatest pleasure in life is doing what people say you cannot do.
Nine tenths of modern science is in this respect the same: it is the produce of men whom their contemporaries thought dreamers - who were laughed at for caring for what did not concern them - who, as the proverb went, 'walked into a well from looking at the stars' - who were believed to be useless, if anyone could be such.
Life is a school of probability.
Life is not a set campaign, but an irregular work, and the main forces in it are not overt resolutions, but latent and half-involuntary promptings.
The great pleasure of life is doing for pleasure things I do not like to do.
Life is a compromise of what your ego wants to do, what experience tells you to do, and what your nerves let you do.
A great pleasure in life is doing what people say you cannot do.