12 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
23026 | We know mathematical axioms, such as subtracting equals from equals leaves equals, by a natural light [Leibniz] |
13189 | A necessary feature (such as air for humans) is not therefore part of the essence [Leibniz] |
19432 | Intelligible truth is independent of any external things or experiences [Leibniz] |
19430 | We know objects by perceptions, but their qualities don't reveal what it is we are perceiving [Leibniz] |
19431 | There is nothing in the understanding but experiences, plus the understanding itself, and the understander [Leibniz] |
20180 | A happy and joyous life must largely be a quiet life [Russell] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
20176 | Boredom is an increasingly strong motivating power [Russell] |
20178 | Life is now more interesting, but boredom is more frightening [Russell] |
20177 | Boredom always involves not being fully occupied [Russell] |
20179 | Happiness involves enduring boredom, and the young should be taught this [Russell] |