6 ideas
| 2602 | What experience could prove 'If a=c and b=c then a=b'? [Descartes] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 2600 | The mind's innate ideas are part of its capacity for thought [Descartes] |
| 2601 | Qualia must be innate, because physical motions do not contain them [Descartes] |
| 7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |