Ought Quotes

2904 quotes by 1598 authors

It is unreasonable to expect science to produce a system of ethics-ethics are a kind of highway code for traffic among mankind-and the fact that… — Sigmund Freud
Kepler's discovery would not have been possible without the doctrine of conics. Now contemporaries of Kepler-such penetrating minds as Descartes and Pascal-were abandoning the study… — Charles Sanders Peirce
To mix science up with philosophy is only to produce a philosophy that has lost all its ideal value and a science that has lost… — Gilbert K. Chesterton
I have been scientifically studying the traits and dispositions of the "lower animals" (so-called,) and contrasting them with the traits and dispositions of man. I… — Mark Twain
The more experiences and experiments accumulate in the exploration of nature, the more precarious the theories become. But it is not always good to discard… — Georg C. Lichtenberg
The choicest believers, who are assuredly freed from the condemning power of sin, ought yet to make it their business all their days to mortify… — John Owen
When sin lets us alone we may let sin alone; but as sin is never less quiet than when it seems to be most quiet,… — John Owen
The vigour, and power, and comfort of our spiritual life depends on the mortification of the deeds of the flesh...The choicest believers, who are assuredly… — John Owen
If we ought not to fear mortal truth, still less should we dread scientific truth. In the first place it can not conflict with ethics?… — Henri Poincare
... we ought to have saints' days to commemorate the great discoveries which have been made for all mankind, and perhaps for all time-or for… — Winston Churchill
The earth's becoming at a particular period the residence of human beings, was an era in the moral, not in the physical world, that our… — Charles Lyell
The greater is the circle of light, the greater is the boundary of the darkness by which it is confined. But, notwithstanding this, the more… — Joseph Priestley
Some persons have contended that mathematics ought to be taught by making the illustrations obvious to the senses. Nothing can be more absurd or injurious:… — Samuel Taylor Coleridge
Historians desiring to write the actions of men, ought to set down the simple truth, and not say anything for love or hatred; also to… — Walter Raleigh
For historians ought to be precise, truthful, and quite unprejudiced, and neither interest nor fear, hatred nor affection, should cause them to swerve from the… — Miguel de Cervantes
A letter is an unannounced visit, the postman the agent of rude surprises. One ought to reserve an hour a week for receiving letters and… — Friedrich Nietzsche
The liberal appropriations made by the legislature of Kentucky for a general system of education cannot be too much applauded . . . . Learned… — James Madison
We ought to deprecate the hazard attending ardent and susceptible minds, from being too strongly, and too early prepossessed in favor of other political systems,… — George Washington
The rich man, when contributing to a permanent plan for the education of the poor, ought to reflect that he is providing for that of… — James Madison
The infant periods of most nations are buried in silence or veiled in fable; and the world perhaps has lost but little which it needs… — James Madison

Who Wrote These Ought Quotes

1,598 authors contributed a total of 2,904 Ought Quotes, led by these top contributors: