Opinion is a flitting thing — Cheat

Opinion is a flitting thing, 1
But Truth, outlasts the Sun-
If then we cannot own them both-
Possess the oldest one-
(F.1495/J.1455)
[1] Opinion:: thought, impression.
[2] Sun:: something glorious like sun.
[3] both:: our opinion which we believe it's the truth.
[4] oldest:: the most skillful in handling. Possess, one:: to own the opinion which needs skill but is not the truth (since we cannot own them both).