9 ideas
8766 | In much wisdom is much grief [Anon (Ecc)] |
7494 | Laughter is mad; of mirth, what doeth it? [Anon (Ecc)] |
8767 | Sorrow is better than laughter [Anon (Ecc)] |
9565 | Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara] |
3339 | For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn] |
8765 | All is vanity, saith the Preacher [Anon (Ecc)] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
8768 | Books are endless, and study is wearisome [Anon (Ecc)] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |