One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.

Our being is subject to all the chances of life. There are so many things we are capable of, that we could be or do. The potentialities are so great that we never, any of us, are more than one-fourth fulfilled.

Katherine Anne Porter

Every action of our lives touches on some chord that will vibrate in eternity.

Edwin Hubbell Chapin

Decide promptly, but never give any reasons. Your decisions may be right, but your reasons are sure to be wrong.

Lord Mansfield

We are driven by five genetic needs: survival, love and belonging, power, freedom, and fun.

William Glasser

I got my driver's license photo taken out of focus on purpose.Now when I get pulled over the cop looks at it (moving it nearerand farther, trying to see it clearly)... And says, Here, youcan go.

Steven Wright

There is no avoiding war; it can only be postponed to the advantage of others.

Niccolo Machiavelli

I deserved the shaking and the headaches and the fact that every single time I took a breath I felt a squeezing in my chest, my heart beating even though I wished it wasn't.

Elizabeth Scott

There is no better test of a man's work than time, which also reveals the thoughts which lay hidden in his breast.

Simonides

If we do not find anything very pleasant, at least we shall find something new.

Voltaire

If we are to better the future we must disturb the present.

Catherine Booth

An individual has not started living until he can rise above the narrow confines of his individualistic concerns to the broader concerns of all humanity.

Martin Luther King Jr.

There aren't as many girl superheroes, but there are cool ones. Banshee, for instance.

Kat Dennings