Determine that the thing can and shall be done, and then we shall find the way.
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Speech in the House of Representatives (20 June 1848).Abraham Lincoln
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The most difficult thing is to know what we do know, and what we do not know.
Therefore, desiring to know anything, we shall before all else determine WHAT we accept as given, and WHAT as demanding definition and proof; that is, determine WHAT we know already, and WHAT we wish to know.
In relation to the knowledge of the world and of ourselves, the conditions would be ideal could we venture to accept nothing as given, and count all as demanding definition and proof. In other words, it would be best to assume that we know nothing, and make this our point of departure.
But unfortunately such conditions are impossible to create. Knowledge must start from some foundation, something must be recognized as known; otherwise we shall be obliged always to define one unknown by means of another.P. D. Ouspensky
Man must not only make himself: the weightiest thing he has to do is to determine what he is going to be. He is causa sui to the second power.
Jose Ortega y Gasset
[M]an knows his own nature, and that which he pursues must surely be his satisfaction? Judging by which measure I determine that the best thing in the world is flying at full speed from pursuit, and keeping up hammer and thud and gasp and bleeding till the knees fail and the head grows dizzy, and at last we all fall down and that thing (whatever it is) which pursues us catches us up and eats our carcasses. This way of managing our lives, I think, must be the best thing in the world—for nearly all men choose to live thus.
Hilaire Belloc
A touchstone to determine the actual worth of an "intellectual" — find out how he feels about astrology.
Robert A. Heinlein
Philosophy has been called the search for the Permanent amid the changing. With this account of philosophy there is no need to quarrel. But having accepted it, a distinction remains to be observed, a distinction of capital importance, which we are in constant danger of forgetting. It is one thing to find the Permanent; it is another thing to find a form of words in which the Permanent shall stand permanently expressed. It is one thing to experience something fixed and changeless; it is another thing to fix this something by a changeless definition. The first may be possible, while the second remains impossible for ever.
L. P. Jacks
Lincoln, Abraham
Lindbergh, Anne Morrow
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