Observation Quotes

952 Observation quotes by 675 unique authors

Of all the systems of morality, ancient or modern which have come under my observation, none appears to me so pure as that of Jesus....I… — Thomas Jefferson
Observations not only disturb what is to be measured, they produce it. — Unknown Author
...learning chiefly in mathematical sciences can so swallow up and fix one's thought, as to possess it entirely for some time; but when that amusement… — Gilbert Burnet
...they have never affirm'd any thing, concerning the Cause, till the Trial was past: whereas, to do it before, is a most venomous thing in… — Thomas Sprat
As historians, we refuse to allow ourselves these vain speculations which turn on possibilities that, in order to be reduced to actuality, suppose an overturning… — Georges-Louis Leclerc, Comte de Buffon
As there is not in human observation proper means for measuring the waste of land upon the globe, it is hence inferred, that we cannot… — James Hutton
Astronomy may be revolutionized more than any other field of science by observations from above the atmosphere. Study of the planets, the Sun, the stars,… — Lyman Spitzer
During the last two centuries and a half, physical knowledge has been gradually made to rest upon a basis which it had not before. It… — Augustus De Morgan
Error, never can be consistent, nor can truth fail of having support from the accurate examination of every circumstance. — James Hutton
Experiments in geology are far more difficult than in physics and chemistry because of the greater size of the objects, commonly outside our laboratories, up… — Reinout Willem van Bemmelen
For the little that one has reflected on the origin of our knowledge, it is easy to perceive that we can acquire it only by… — Georges-Louis Leclerc, Comte de Buffon
For those [observations] that I made in Leipzig in my youth and up to my 21st year, I usually call childish and of doubtful value.… — Tycho Brahe
From his observations, he concluded that it [Tycho's supernova] was not some kind of comet or a fiery meteor, whether these be generated beneath the… — Tycho Brahe
From my numerous observations, I conclude that these tubercle bacilli occur in all tuberculous disorders, and that they are distinguishable from all other microorganisms. — Robert Koch
Geological facts being of an historical nature, all attempts to deduce a complete knowledge of them merely from their still, subsisting consequences, to the exclusion… — Unknown Author
Geology ... offers always some material for observation. ... [When] spring and summer come round, how easily may the hammer be buckled round the waist,… — Archibald Geikie
Geology is part of that remarkable dynamic process of the human mind which is generally called science and to which man is driven by an… — Reinout Willem van Bemmelen
Having always observed that most of them who constantly took in the weekly Bills of Mortality made little other use of them than to look… — Unknown Author
History, human or geological, represents our hypothesis, couched in terms of past events, devised to explain our present-day observations. — M. King Hubbert
I am a firm believer, that without speculation there is no good and original observation. — Charles Darwin
I am not accustomed to saying anything with certainty after only one or two observations. — Andreas Vesalius
If someone points out to you that your pet theory of the universe is in disagreement with Maxwell's equations-then so much the worse for Maxwell's… — Arthur Eddington
If the Commission is to enquire into the conditions "to be observed," it is to be presumed that they will give the result of their… — Isambard Kingdom Brunel
If the omniscient author of nature knew that the study of his works tends to make men disbelieve his Being or Attributes, he would not… — Robert Boyle
It was astonishing that for some considerable distance around the mould growth the staphococcal colonies were undergoing lysis. What had formerly been a well-grown colony… — Alexander Fleming

Who Wrote These Observation Quotes

675 authors contributed a total of 952 Observation Quotes, led by these top contributors: