A battle lost or won is easily described, understood, and appreciated, but the moral growth of a great nation requires reflection, as well as observation, to appreciate it.
Frederick Douglass

A careful analysis of the process of observation in atomic physics has shown that the subatomic particles have no meaning as isolated entities, but can only be understood as interconnections between the preparation of an experiment and the subsequent measurement.
Erwin Schrodinger

A few observation and much reasoning lead to error; many observations and a little reasoning to truth.
Alexis Carrel

A true critic ought to dwell upon excellencies rather than imperfections, to discover the concealed beauties of a writer, and communicate to the world such things as are worth their observation.
Joseph Addison

Accuracy of observation is the equivalent of accuracy of thinking.
Wallace Stevens

All ideas come about through some sort of observation. It sparks an attitude; some object or emotion causes a reaction in the other person.
Graham Chapman

All perceiving is also thinking, all reasoning is also intuition, all observation is also invention.
Rudolf Arnheim

Anarchism is founded on the observation that since few men are wise enough to rule themselves, even fewer are wise enough to rule others.
Edward Abbey

But I make the observation that no one of us would do things exactly alike.
David Dinkins

But my observation has been, certainly in the news business, you've got to give 110 percent.
Sam Donaldson

But what is of great importance to me is observation of the movement of colors.
Robert Delaunay

By means of microscopic observation and astronomical projection the lotus flower can become the foundation for an entire theory of the universe and an agent whereby we may perceive Truth.
Yukio Mishima

Certain periods in history suddenly lift humanity to an observation point where a clear light falls upon a world previously dark.
Anne Sullivan Macy

Children have very sharp powers of observation - probably sharper than adults - yet at the same time their emotional reactions are murky and much more primitive.
Donna Tartt

Direct observation of the luminous essence of nature is for me indispensable.
Robert Delaunay

Even if it had not been possible to reproduce the disease in animals and consequently to verify the hypothesis, this simple observation would have been sufficient to demonstrate the way in which the disease was propagated.
Charles Jules Henry Nicole

Even scientific knowledge, if there is anything to it, is not a random observation of random objects; for the critical objectivity of significant knowledge is attained as a practice only philosophically in inner action.
Karl Jaspers

For this reason, the expansion of relations with all countries is on the agenda of the Islamic Republic of Iran. I mean balanced relationships, based on mutual respect and observation of each other's rights.
Mahmoud Ahmadinejad

From my close observation of writers... they fall into two groups: 1) those who bleed copiously and visibly at any bad review, and 2) those who bleed copiously and secretly at any bad review.
Isaac Asimov

From the standpoint of observation, then, we must regard it as a highly probable hypothesis that the beginnings of the mental life date from as far back as the beginnings of life at large.
Wilhelm Wundt