Here is one from Thomas Edison

[New Look]

Opportunity is missed by most people because it is dressed in overalls and looks like work.- Thomas Edison

 

[Doug Rucker]

Here is one I heards last night.

An Opportinity of a Lifetime Must be Siezed during the Lifetime of the Opportunity.....

 

[archie_MN]

One of my favorites, courtesy of Ben Franklin:

Do not squander time; for that's the stuff life is made of.