For a house, I take it, or a ship or anything of that sort must have its chief strength in its substructure; and so too in affairs of state the principles and the foundations must be truth and justice.
The easiest thing in the world is self-deceit; for every man believes what he wishes, though the reality is often different.
Third Olynthiac, section 19 (349 BC), as translated by Charles Rann Kennedy (1852)
A man is his own easiest dupe, for what he wishes to be true he generally believes to be true.
As quoted in The Routledge Dictionary of Quotations (1987) by Robert Andrews, p. 255
There is nothing easier than self-delusion. Since what man desires, is the first thing he believes.
Delivery, delivery, delivery.
Response when asked to name the three most important components of rhetoric, as quoted in Institutio Oratoria (c. 95) by Quintilian; also in Unspoken : A Rhetoric of Silence (2004) by Cheryl Glenn, p. 150
The readiest and surest way to get rid of censure, is to correct ourselves.
As quoted in The World's Laconics: Or, The Best Thoughts of the Best Authors (1853) by Everard Berkeley, p. 34
It is not possible to found a lasting power upon injustice, perjury, and treachery.
Reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 455.
No man can tell what the future may bring forth, and small opportunities are often the beginning of great enterprises.
Ad Leptinum 162, as quoted in Dictionary of Quotations (Classical) (1897) by Thomas Benfield Harbottle, p. 511
The man who has received a benefit ought always to remember it, but he who has granted it ought to forget the fact at once.
As quoted in Dictionary of foreign phrases and classical quotations (1908) by Hugh Percy Jones, p. 140
Every advantage in the past is judged in the light of the final issue.
Olynthiacs; Philippics (1930) as translated by James Herbert Vince, p. 11
Whatever shall be to the advantage of all, may that prevail!
Speech against Philip II of Macedon (351 BC), in Olynthiacs; Philippics (1930) as translated by James Herbert Vince, p. 99
You cannot have a proud and chivalrous spirit if your conduct is mean and paltry; for whatever a man's actions are, such must be his spirit.
As quoted in Journal of the History of Ideas Vol. 1 (1940), p. 472