All men have limits. They learn what they are and learn not to exceed them. I ignored mine. 

~Batman 

In brightest day, in blackest night, No evil shall escape my sight. Let those who worship evil's might, Beware my power, Green Lantern's light! 

~Hal Jordan 

Happiness can be found in the darkest of times, if one only remembers to turn on the light

~Dumbledore

People that can hurt you, the ones that can really hurt you, are the ones that are close enough to do it.
~Frank Castle

Being deeply loved by someone gives you strength, while loving someone deeply gives you courage.
~Lao Tzu

Hard As This May Be To Believe, It's Possible That I'm Not Boyfriend Material
~Sheldon Cooper
 
All we have to decide is what to do with the time that is given to us.
~J. R. R. Tolkien

Don't fight a battle if you don't gain anything by winning.
~ Erwin Rommel