3 ideas
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
6349 | I can prove a hand exists, by holding one up, pointing to it, and saying 'here is one hand' [Moore,GE] |
9284 | Reasons are 'internal' if they give a person a motive to act, but 'external' otherwise [Williams,B] |