Source: Castle Series, Castle in the Air (1990), pp. 102-103.
“My dear Sir: Herewith is a little sketch, as you requested. There is not much of it, for the reason, I suppose, that there is not much of me. If anything be made out of it, I wish it to be modest, and not to go beyond the material. If it were thought necessary to incorporate anything from any of my speeches, I suppose there would be no objection. Of course it must not appear to have been written by myself.”
p, 125
1850s, Autobiographical Sketch Written for Jesse W. Fell (1859)
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Abraham Lincoln 618
16th President of the United States 1809–1865Related quotes
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Letter to her mother (14 March 1847)
Context: I know, Mother, you feel badly and that you would prefer to have me take some other course, if I could in conscience. Yet, Mother, I know you too well to suppose that you would wish me to turn away from what I think is my duty. I surely would not be a public speaker if I sought a life of ease, for it will be a most laborious one; nor would I do it for the sake of honor, for I know that I shall be disesteemed, even hated, by some who are now my friends, or who profess to be. Neither would I do it if I sought wealth, because I could secure it with far more ease and worldly honor by being a teacher. If I would be true to myself, true to my Heavenly Father, I must pursue that course of conduct which, to me, appears best calculated to promote the highest good of the world.

Letter to G. H. Hardy, (16 January 1913), published in Ramanujan: Letters and Commentary American Mathematical Society (1995) History of Mathematics, Vol. 9

An Outline of Philosophy Ch.15 The Nature of our Knowledge of Physics (1927)
1920s

Speech http://hansard.millbanksystems.com/commons/1936/nov/12/debate-on-the-address in the House of Commons (12 November 1936).
1936
Context: I put before the whole House my own views with an appalling frankness. From 1933, I and my friends were all very worried about what was happening in Europe. You will remember at that time the Disarmament Conference was sitting in Geneva. You will remember at that time there was probably a stronger pacifist feeling running through this country than at any time since the War. I am speaking of 1933 and 1934... My position as the leader of a great party was not altogether a comfortable one. I asked myself what chance was there... within the next year or two of that feeling being so changed that the country would give a mandate for rearmament? Supposing I had gone to the country and said that Germany was rearming and that we must rearm, does anybody think that this pacific democracy would have rallied to that cry at that moment? I cannot think of anything that would have made the loss of the election from my point of view more certain. I think the country itself learned by certain events that took place during the winter of 1934–35 what the perils might be to it. All I did was to take a moment perhaps less unfortunate than another might have been, and we won the election with a large majority... [In 1935] we got from the country—with a large majority—a mandate for doing a thing that no one, 12 months before, would have believed possible.

Preface, p. v
The Differential and Integral Calculus (1836)