17 ideas
| 19441 | All philosophies presuppose their historical moment, and arise from it [Feuerbach] |
| 19442 | I don't study Plato for his own sake; the primary aim is always understanding [Feuerbach] |
| 19444 | Each proposition has an antithesis, and truth exists as its refutation [Feuerbach] |
| 19445 | A dialectician has to be his own opponent [Feuerbach] |
| 8368 | A correct definition is what can be substituted without loss of meaning [Ducasse] |
| 19443 | Truth forges an impersonal unity between people [Feuerbach] |
| 19446 | To our consciousness it is language which looks unreal [Feuerbach] |
| 19447 | The Absolute is the 'and' which unites 'spirit and nature' [Feuerbach] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 8367 | Causation is defined in terms of a single sequence, and constant conjunction is no part of it [Ducasse] |
| 8372 | We see what is in common between causes to assign names to them, not to perceive them [Ducasse] |
| 8369 | Causes are either sufficient, or necessary, or necessitated, or contingent upon [Ducasse] |
| 8373 | When a brick and a canary-song hit a window, we ignore the canary if we are interested in the breakage [Ducasse] |
| 8370 | A cause is a change which occurs close to the effect and just before it [Ducasse] |
| 8371 | Recurrence is only relevant to the meaning of law, not to the meaning of cause [Ducasse] |
| 8374 | We are interested in generalising about causes and effects purely for practical purposes [Ducasse] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |