We could use up two Eternities in learning all that is to be learned about our own world and the thousands of nations that have arisen and flourished and vanished from it. Mathematics alone would occupy me eight million years.
When I was fourteen years old, I was amazed at how unintelligent my father was. By the time I turned twenty-one, I was astounded how much he had learned in the last seven years.
I am not interested to know whether vivisection produces results that are profitable to the human race or doesn't...The pain which it inflicts upon unconsenting animals is the basis of my enmity toward it, and it is to me sufficient justification of the enmity without looking further.
The insincerity of man-all men are liars, partial or hiders of facts, half tellers of truths, shirks, moral sneaks. When a merely honest man appears he is a comet-his fame is eternal-needs no genius, no talent-mere honesty
One must keep one's character. Earn a character first if you can, and if you can't, then assume one. From the code of morals I have been following and revising and revising for 72 years I remember one detail. All my life I have been honest - comparatively honest. I could never use money I had not made honestly - I could only lend it.
To be human is to have one's little modicum of romance secreted away in one's composition. One never ceases to make a hero of one's self, (in private,) during life, but only alters the style of heroism from time to time as the drifting years belittle certain gods of his admiration and raise up others in their stead.