I think luck is the sense to recognize an opportunity and the ability to take advantage of it... The man who can smile at his breaks and grab his chances gets on. ↗
Mirth is like a flash of lightning, that breaks through a gloom of clouds, and glitters for a moment; cheerfulness keeps up a kind of daylight in the mind, and fills it with a steady and perpetual serenity. ↗
There are no signposts in the sky to show a man has passed that way before. There are no channels marked. The flier breaks each second into new uncharted seas. ↗