In natural science the principles of truth ought to be confirmed by observation.
I've always been inspired by Dr. Martin Luther King, who articulated his Dream of an America where people are judged not by skin color but "by the content of their character." In the scientific world, people are judged by the content of their ideas. Advances are made with new insights, but the final arbitrator of any point of view are experiments that seek the unbiased truth, not information cherry picked to support a particular point of view.
The truly scientific mind is altogether unafraid of the new, and while having no mercy for ideas which have served their turn or shown their uselessness, it will not grudge to any unfamiliar conception its moment of full and friendly attention, hoping to expand rather than to minimize what small core of usefulness it may happen to contain.
Without the slightest doubt there is something through which material and spiritual energy hold togehter and are complementary. In the last analysis, somehow or other, there must be a single energy operating in the world. And the first idea that occurs to us is that the 'soul' must be as it were the focal point of transformation at which, from all the points of nature, the forces of bodies converge, to become interiorised and sublimated in beauty and truth.
By doubting we come at truth.
Our minds possess by nature an insatiable desire to know the truth.
Those who never retract their opinions love themselves more than they love the truth.
In this world truth can wait; she is used to it.
I cannot tell how the truth may be; I say the tale as it was said to me.
The love of truth lies at the root of much humor.
Wrong is wrong, no matter who does it or who says it.
Truth allows you to live with integrity. Everything you do and say shows the world who you really are. Let it be the Truth.
Dishonest people conceal their faults from themselves as well as others, honest people know and confess them.
Oh for someone with a heart, head and hand. Whatever they call them, what do I care, aristocrat, democrat, autocrat, just be it one that can rule and dare not lie.
Honesty is the best policy; but he who is governed by that maxim is not an honest man.
Act in earnest and you will become earnest in all you do.
No man is so exquisitely honest or upright in living, but that ten times in his life he might not lawfully be hanged.
Something greater than wealth, grander even than fame — that manhood, character, stand for success, and that nothing else really does.
In proportion as we perceive and embrace the truth do we become just, heroic, magnanimous, divine.
One of the chief obstacles to intelligence is credulity, and credulity could be enormously diminished by instructions as to the prevalent forms of mendacity. Credulity is a greater evil in the present day than it ever was before, because, owing to the growth of education, it is much easier than it used to be to spread misinformation, and, owing to democracy, the spread of misinformation is more important than in former times to the holders of power.
Telling the truth ... is not solely a matter of moral character; it is also a matter of correct appreciation of real situations and of serious reflection upon them.
All human discoveries seem to be made only for the purpose of confirming more strongly the truths come from on high, and contained in the sacred writings.
All possible truth is practical. To ask whether our conception of chair or table corresponds to the real chair or table apart from the uses to which they may be put, is as utterly meaningless and vain as to inquire whether a musical tone is red or yellow. No other conceivable relation than this between ideas and things can exist. The unknowable is what I cannot react upon. The active part of our nature is not only an essential part of cognition itself, but it always has a voice in determining what shall be believed and what rejected.
Although this may seem a paradox, all exact science is dominated by the idea of approximation. When a man tells you that he knows the exact truth about anything, you are safe in inferring that he is an inexact man. Every careful measurement in science is always given with the probable error ... every observer admits that he is likely wrong, and knows about how much wrong he is likely to be.
Art has a double face, of expression and illusion, just like science has a double face: the reality of error and the phantom of truth.
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