What might seem like a good idea to somebody at 21 is probably not going to seem like a good idea at 50, but you don't know that until you get there.
I have but one lamp by which my feet are guided, and that is the lamp of experience. I know of no way of judging of the future but by the past
The benefit of hindsight is we only really talk about those things that did work out.
In the business world, the rearview mirror is always clearer than the windshield.
Hindsight is, of course, 20/20. Any time you go back, and you look at something, and now you've got the result of something, you say, 'Yeah, maybe it wasn't the right idea.'
If I have seen farther than other men, it is because I stood on the shoulders of giants.
The ancients called happy those who learned caution from the danger of others
Frederick II Hohenstaufen
Hindsight is the historian's necessary vice.
The principal axiom in their theory was: Everything can be proved, and everything can be disproved; and in the process, one must profit as much from the folly of others, and from his own superiority, as he can.
