Certain Quotes

7889 quotes by 4860 authors

Without any doubt, the regularity which astronomy shows us in the movements of the comets takes place in all phenomena. The trajectory of a simple… — Pierre-Simon Laplace
For it is not cell nuclei, not even individual chromosomes, but certain parts of certain chromosomes from certain cells that must be isolated and collected… — Theodor Boveri
Doubtless many can recall certain books which have greatly influenced their lives, and in my own case one stands out especially-a translation of Hofmeister's epoch-making… — Douglas Houghton Campbell
When we trace the part of which this terrestrial system is composed, and when we view the general connection of those several parts, the whole… — James Hutton
I believe that we do not know anything for certain, but everything probably. — Christiaan Huygens
What the founders of modern science, among them Galileo, had to do, was not to criticize and to combat certain faulty theories, and to correct… — Alexandre Koyre
The alchemists of past centuries tried hard to make the elixir of life: ... Those efforts were in vain; it is not in our power… — Hermann Franz Moritz Kopp
[The] humanization of mathematical teaching, the bringing of the matter and the spirit of mathematics to bear not merely upon certain fragmentary faculties of the… — Cassius Jackson Keyser
It has the property of detonating very violently in certain circumstances. On one occasion a small amount of ether solution of pyroglycerin condensed in a… — Ascanio Sobrero
Some months ago we discovered that certain light elements emit positrons under the action of alpha particles. Our latest experiments have shown a very striking… — Frederic Joliot-Curie
When the difficulty of a problem lies only in finding out what follows from certain fixed premises, mathematical methods furnish invaluable wings for flying over… — Arthur M. Wellington
How seldom is generosity perfect and pure! How often do men give because it throws a certain inferiority on those who receive, and superiority on… — Fulke Greville, 1st Baron Brooke
Scepticism, ironically, draws its life's blood from claims to have a good deal of knowledge. For example, your friends claim to know, 'Since every possible… — William Lane Craig
Now, if anything at all can be known to be wrong, it seems to me to be unshakably certain that it would be wrong to… — Antony Flew
I have a daughter, and it's a very bad message to send to my daughter that to be valid or accepted or to have value,… — Christopher Cross
As soon as we notice that certain types of events 'like' to cluster together at certain times, we begin to understand the Chinese, whose theories… — Marie-Louise von Franz
Before, I was terrified on stage. I only play guitar during the acoustic songs. After a while, you can elicit certain responses from the crowd,… — Andy Gibb
The good fighters of old first put themselves beyond the possibility of defeat, and then waited for an opportunity of defeating the enemy. To secure… — Sun Tzu
Spies cannot be usefully employed without a certain intuitive sagacity; (2) They cannot be properly managed without benevolence and straight forwardness; (3) Without subtle ingenuity… — Sun Tzu
It is much better to tempt fortune where it can favor you than to see your certain ruin by not tempting it. — Niccolo Machiavelli

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4,860 authors contributed a total of 7,889 Certain Quotes, led by these top contributors: