"I was sure that I was right, but arrogance is best left undisplayed."
Hubris, or less frequently hybris, is extreme or excessive pride or dangerous overconfidence and complacency, often in combination with arrogance.
"An extraordinary amount of arrogance is present in any claim of having been the first in "inventing" something. Its an arrogance that some enjoy, and others do not. Now I reach beyond arrogance when I proclaim that fractals had been pictured forever but their true role remained unrecognized and waited for me to be uncovered."
"All the time, he hoped they would understand that his arrogance masked only shyness—or did he hope that it was his shyness which masked arrogance? He did not know. Who could presume to know? The one quality holds much of the other. Both refuse to come forward and share."
"How long will the wicked be jubilant? They pour out arrogant words; all the evildoers are full of boasting."
"With the arrogance of youth, I determined to do no less than to transform the world with Beauty. If I have succeeded in some small way, if only in one small corner of the world, amongst the men and women I love, then I shall count myself blessed, and blessed, and blessed, and the work goes on."
"Conceit, arrogance and egotism are the essentials of patriotism. Let me illustrate. Patriotism assumes that our globe is divided into little spots, each one surrounded by an iron gate. Those who have had the fortune of being born on some particular spot consider themselves nobler, better, grander, more intelligent than those living beings inhabiting any other spot. It is, therefore, the duty of everyone living on that chosen spot to fight, kill and die in the attempt to impose his superiority upon all the others.."
"Of the lessons also gained from the history of mankind is the fact that greed and arrogance, when combined, lead the oppressor to do injustice not only to others, but to himself as well; once this combination of greed and arrogance has misled him into a sense of undefeatable capability and power, as he takes the road of falsehood and aggression, committing the most heinous acts and proceeding from that sick imagination, to fall down the precipice and then into hell."