Early Greek speculation culminates in the ideas of Plato, or rather in the single idea of good.
Like Parmenides, he is overpowered and intoxicated with the idea of Being or God.
the change of motion is proportional to the impressed force,' or that 'whatever has extension is divisible,' these propositions are to be understood of motion and extension in general; and nevertheless it will not follow that they suggest to my thoughts an idea of motion without a body moved, or any determinate direction and velocity, or that I must conceive an abstract general idea of extension, which is neither line, surface, nor solid, neither great nor small, black, white, nor red, nor of any other determinate colour.
Now, if we will annex a meaning to our words, and speak only of what we can conceive, I believe we shall acknowledge that an idea which, considered in itself, is particular, becomes general by being made to represent or stand for all other particular ideas of the same sort.
that all the things which we clearly and distinctly conceive are true, is certain only because God is or exists and because he is a Perfect Being, and because all that we possess is derived from him: whence it follows that our ideas
or notions, which to the extent of their clearness and distinctness are real, and proceed from God, must to that extent be true.
Let us pass on to the strange, bold and ingenious idea
," interrupted Mazarin, whose sagacity foresaw a check.
The reader who seeks to find some one idea
under which the whole may be conceived, must necessarily seize on the vaguest and most general.
After so long a period of an absorbing melancholy that resembled madness in its intensity and effects, he was glad to find that I was capable of taking pleasure in the idea
of such a journey, and he hoped that change of scene and varied amusement would, before my return, have restored me entirely to myself.
Wurt, indeed, says plainly that, assuming there are no sensations, it follows that there is no idea
The brave Americans serving our nation today in the Persian Gulf, in Somalia, and wherever else they stand, are testament to our resolve, but our greatest strength is the power of our ideas
, which are still new in many lands.
Knowledge is still more necessary; and knowledge, and patriotism, and integrity are worthless unless they are accompanied by a firm determination on his part to set his own personal interests completely aside, and to devote himself to a social idea
Your very ideas
are but the outgrowth of the conditions of your bourgeois production and bourgeois property, just as your jurisprudence is but the will of your class made into a law for all, a will, whose essential character and direction are determined by the economical conditions of existence of your class.