A genius is one who shoots at something no one else can see, and hits it.
More Traditional Proverbs:
Water doesn't run uphillTraditional
Hoist your sail when the wind is fair.
Traditional
Cool as a cucumber.
Traditional
If nobody uses it, there's a reason.
Traditional
A man is as wise as his head, not his years.
Traditional
Do the thing you fear and the death of fear is certain
Traditional