| 16693 | Time has parts, but the now is not one of them, and time is not composed of nows [Aristotle] |
| 22958 | Nows can't be linked together, any more than points on a line [Aristotle] |
| 12486 | An 'instant' is where we perceive no succession, and is the time of a single idea [Locke] |
| 14156 | Mathematicians don't distinguish between instants of time and points on a line [Russell] |
| 16207 | Time could be discrete (like integers) or dense (rationals) or continuous (reals) [Hawley] |