Full Idea
Every potential infinity seems to suggest an actual infinity - e.g. generating successors suggests they are really all there already; cutting the line suggests that the point where the cut is made is already in place.
Gist of Idea
Infinite cuts and successors seems to suggest an actual infinity there waiting for us
Source
Stephen Read (Thinking About Logic [1995], Ch.8)
Book Reference
Read,Stephen: 'Thinking About Logic' [OUP 1995], p.236
A Reaction
Finding a new gambit in chess suggests it was there waiting for us, but we obviously invented chess. Daft.