Don't underestimate the value of Doing Nothing, of just going along, listening to all the things you can't hear, and not bothering. - Alan Alexander Milne 

A man who dares to waste an hour of time has not discovered the value of life. - Charles Darwin 

I value kindness to humans first of all, and kindness to animals. I don't respect the law; I have total irreverence for anything connected with society except that which makes the roads safer, the beer stronger, the food cheaper, and old men and women warmer in the winter, and happier in the summer. - Brendan Behan

The conspicuously wealthy turn up urging the character-building value of privation for the poor. - John Galbraith

Gentlemen, that is surely true, it is absolutely paradoxical; we cannot understand it, and we don't know what it means. But we have proved it, and therefore we know it is the truth. - Benjamin Pierce, upon proving a complex mathematical problem…

If you are out to describe the truth, leave elegance to the tailor. - Albert Einstein

Ye shall know the truth, and the truth shall make you mad. - Aldous Huxley

The road to truth is long, and lined the entire way with annoying bastards. - Alexander Jablokov

"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. - Alfred North Whitehead

PLATITUDE, n. The fundamental element and special glory of popular literature. A thought that snores in words that smoke. All that is mortal of a departed truth. A jellyfish withering on the shore of the sea of thought. A desiccated epigram.  - Ambrose Bierce

Four Rules For Life - Show up. Pay attention. Tell the truth. Don't be attached to the results. - Angeles Arrien 

Postmodernists believe that truth is myth, and myth, truth. This equation has its roots in pop psychology. The same people also believe that emotions are a form of reality. There used to be another name for this state of mind. It used to be called psychosis. - Brad Holland

Ignorance is preferable to error, and he is less remote from the truth who believes nothing than he who believes what is wrong. - Thomas Jefferson

Science does not promise absolute truth, nor does it consider that such a thing necessarily exists. Science does not even promise that everything in the Universe is amenable to the scientific process. - Isaac Asimov

Convictions are more dangerous enemies of truth than lies. - Friedrich Nietzsche, Human, all too Human (1880)

Mystical explanations are considered deep. The truth is that they are not even superficial. - Friedrich Nietzsche, The Gay Science (1882)

The greatest enemy of any one of our truths may be the rest of our truths. - William James

I am the fellow citizen of every being that thinks; my country is Truth. - Alphonse de Lamartine, "Marseillaise of Peace" (1841)