Quotessence
Home / Topics / Certain Quotes

Certain Quotes

Browse 11765 quotes about Certain.

Related topics

Certain Quotes

“By day certainly the combatants have a clearer notion, though even then by no means of all that takes place, no one knowing much of anything that does not does not go on in his own immediate neighborhood; but in a night engagement ( and this was the only one that occurred between great armies during the war) how could anyone know anything for certain?”

“There is perhaps no sort of self more subject to dangerous egotism than that which deludes itself with the notion that it is not a self at all, but something else. It is well to beware of persons who believe that the cause, the mission, the philanthropy, the hero, or whatever it may be that they strive for, is outside of themselves, so that they feel a certain irresponsibility, and are likely to do things which they would recognize as wrong if done in behalf of an acknowledged self.”

“I do not define time, space, place, and motion, as being well known to all. Only I must observe, that the common people conceive those quantities under no other notions but from the relation they bear to sensible objects. And thence arise certain prejudices, for the removing of which it will be convenient to distinguish them into absolute and relative, true and apparent, mathematical and common.”

“Most students of nature sooner or later pass through a process of writing off a large percentage of their supposed capital of knowledge as a merely illusory asset. As we trace more accurately certain familiar sequences of phenomena we begin to realize how closely these sequences, or laws , as we call them, are hemmed round by still other laws of which we can form no notion. With myself this writing off of illusory assets has gone rather far and the cobweb of supposed knowledge has been pinched (as some one has phrased) into a particularly small pill.”

“The constructs of the mathematical mind are at the same time free and necessary. The individual mathematician feels free to define his notions and set up his axioms as he pleases. But the question is will he get his fellow mathematician interested in the constructs of his imagination. We cannot help the feeling that certain mathematical structures which have evolved through the combined efforts of the mathematical community bear the stamp of a necessity not affected by the accidents of their historical birth.”