“What is important in a leader is a resolute will and determination. A man may be versatile and learned, but if he lacks resoluteness and determination, of what use will he be?”
Vol. VIII.
Yoshida Shoin Zenshu
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Yoshida Shoin 18
Japanese politician 1830–1859Related quotes
“This is the story of what a Woman's patience can endure, and what a Man's resolution can achieve.”
Source: The Woman in White

As quoted in Existentialism from Dostoevsky to Sartre, p. 155
History as a System (1962)

Source: First among equals President of India, p. 70.

Georg Wilhelm Friedrich Hegel, Lectures on the Philosophy of History Vol 2 1837 translated by ES Haldane and Francis H. Simson first translated 1894 p. 386-387
Lectures on the Philosophy of History (1832), Volume 2
Context: That condition which man terms the life of man in unity with nature, and in which man meets with God in nature because he finds his satisfaction there, has ceased to exist. The unity of man with the world is for this end broken, that it may be restored in a higher unity, that the world, as an intelligible world, may be received into God. The relation of man to God thereby reveals itself in the way provided for our salvation in worship, but more particularly it likewise shows itself in Philosophy; and that with the express consciousness of the aim that the individual should render himself capable of belonging to this intelligible world. The manner in which man represents to himself his relation to God is more particularly determined by the manner in which man represents to himself God. What is now often said, that man need not know God, and may yet have the knowledge of this relation, is false. Since God is the First, He determines the relation, and therefore in order to know what is the truth of the relation, man must know God. Since therefore thought goes so far as to deny the natural, what we are now concerned with is not to seek truth in any existing mode, but from our inner Being to go forth again to a true objective, which derives its determination from the intrinsic nature of thought.

“Be resolutely and faithfully what you are; be humbly what you aspire to be.”

Lettert to George C. Latham (22 July 1860) http://quod.lib.umich.edu/l/lincoln/lincoln4/1:108?rgn=div1;view=fulltext; published in The Collected Works of Abraham Lincoln (1953) by Roy P. Basler, vol. 4, p. 4<!-- New Brunswick, N.J.: Rutgers University Press -->
1860s
Context: I have scarcely felt greater pain in my life than on learning yesterday from Bob's letter, that you had failed to enter Harvard University. And yet there is very little in it, if you will allow no feeling of discouragement to seize, and prey upon you. It is a certain truth, that you can enter, and graduate in, Harvard University; and having made the attempt, you must succeed in it. ``Must´´ is the word. I know not how to aid you, save in the assurance of one of mature age, and much severe experience, that you can not fail, if you resolutely determine, that you will not.

“A man is free in proportion to the measure of his virtues, and the extent to which he is free determines what his virtues can accomplish.”
Et pro virtutum habitu quilibet et liber est, et, quatenus est liber, eatenus virtutibus pollet.
Bk. 7, ch. 25
Policraticus (1159)