“I would employ the wise and strong of the empire, using righteousness to lead them. In this way, nothing is impossible.”
Statement by Cao Cao around 191 during a discussion with Yuan Shao. The two compare their long term strategies, with Cao giving an abstract approach. The conversation is generaly considered to be fictional, and recorded only for allegorical effect. Source: Sanguo Zhi, page 26.
Original
「吾任天下之智力,以道御之,無所不可.」
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Cao Cao 6
Chinese warlord during the Eastern Han Dynasty 155–220Related quotes

“I believe if I were in that situation, God would provide a way to do the right thing righteously.”
TV appearances
Context: Eddie Izzard: What if someone comes to you in the middle of the Second World War and says, "Do you have any Jewish people in your house?" and you do have them. That would be a lie. That would be disrespectful to Hitler.
Christine O'Donnell: I believe if I were in that situation, God would provide a way to do the right thing righteously. I believe that!
Bill Maher: God is not there. Hitler's there and you're there.
Christine O'Donnell: You never have to practice deception. God always provides a way out.

"Unification of the fatherland is an act of supreme patriotism" (1970s), quoted in Kim Jong Il Handbook (2011) by International Business Publications USA

Source: The Wisdom of the Heart (1951), "The Alcoholic Veteran with the Washboard Cranium", p. 122

Letter to Lambertus Grunnius (August 1516), publised in Life and Letters of Erasmus : Lectures delivered at Oxford 1893-4 (1894) http://books.google.com/books?id=ussXAAAAMAAJ&pg=PA180&lpg=PA180&dq=%22is+no+discipline+and+which+are+worse+than+brothels%22&source=bl&ots=PnJjrkSLNB&sig=JPY0PhTf2YgYwJlf3uH2eTvCJeA&hl=en&ei=BGwXTNqTA5XANu6_pJ8L&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBIQ6AEwAA#v=onepage&q=%22is%20no%20discipline%20and%20which%20are%20worse%20than%20brothels%22&f=false edited by James Anthony Froude, p. 180
Context: There are monasteries where there is no discipline, and which are worse than brothels — ut prae his lupanaria sint et magis sobria et magis pudica. There are others where religion is nothing but ritual; and these are worse than the first, for the Spirit of God is not in them, and they are inflated with self-righteousness. There are those, again, where the brethren are so sick of the imposture that they keep it up only to deceive the vulgar. The houses are rare indeed where the rule is seriously observed, and even in these few, if you look to the bottom, you will find small sincerity. But there is craft, and plenty of it — craft enough to impose on mature men, not to say innocent boys; and this is called profession. Suppose a house where all is as it ought to be, you have no security that it will continue so. A good superior may be followed by a fool or a tyrant, or an infected brother may introduce a moral plague. True, in extreme cases a monk may change his house, or even may change his order, but leave is rarely given. There is always a suspicion of something wrong, and on the least complaint such a person is sent back.

“Wise people, even though all laws were abolished, would still lead the same life.”

“Nothing is a waste of time if you use the experience wisely.”
As quoted in Heads and Tales (1936) by Malvina Hoffman, p. 47
1900s-1940s

Valedictory Address to medical graduates at Harvard University (10 March 1858), published in The Boston Medical and Surgical Journal Vol. LVIII, No. 8 (25 March 1858), p. 158; this has also been paraphrased "Beware how you take away hope from another human being".
Context: You can never be too cautious in your prognosis, in the view of the great uncertainty of the course of any disease not long watched, and the many unexpected turns it may take.
I think I am not the first to utter the following caution : —
Beware how you take away hope from any human being. Nothing is clearer than that the merciful Creator intends to blind most people as they pass down into the dark valley. Without very good reasons, temporal or spiritual, we should not interfere with his kind arrangements. It is the height of cruelty and the extreme of impertinence to tell your patient he must die, except you are sure that he wishes to know it, or that there is some particular cause for his knowing it. I should be especially unwilling to tell a child that it could not recover; if the theologians think it necessary, let them take the responsibility. God leads it by the hand to the edge of the precipice in happy unconsciousness, and I would not open its eyes to what he wisely conceals.
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 541.