You just need to be a flea against injustice. Enough committed fleas biting strategically can make even the biggest dog uncomfortable and transform even the biggest nation.

Education is for improving the lives of others and for leaving your community and world better than you found it.

The question is not whether we can afford to invest in every child; it is whether we can afford not to.

Being considerate of others will take your children further in life than any college degree.

You're not obligated to win. You're obligated to keep trying to do the best you can every day.

Service is the rent we pay for being. It is the very purpose of life, and not something you do in your spare time.

We must not, in trying to think about how we can make a big difference, ignore the small daily differences we can make which, over time, add up to big differences that we often cannot foresee.

It's time for greatness - not for greed. It's a time for idealism - not ideology. It is a time not just for compassionate words, but compassionate action.

Learn to be quiet enough to hear the genuine within yourself so that you can hear it in others.

The future which we hold in trust for our own children will be shaped by our fairness to other people's children.

A nation that does not stand for its children does not stand for anything and will not stand tall in the future.

An African who loses the ability to die with dignity is a lost man.

Using excuses for the predicament you're in and minimizing your situation, whether it is drug or alcohol use, is a sure sign of an addict.

We're all capable of mistakes, but I do not care to enlighten you on the mistakes we may or may not have made.

So the good has been well explained as that at which all things aim.

Google is so big you have no idea what a given person does.

What people do who go into politics I can't think; it drives me almost mad to see mismanagement over only a few hundred acres.

But paying is part of the game of life: it is the joy of buying that we crave.

Officials of governments that use or produce landmines should be forced to see the reality of how landmines hurt people and make them suffer, because this would surely make them stop.

[Science] is the literature of God written on the stars-the trees-the rocks-and more important because [of] its marked utilitarian character.

Children of those who have been incarcerated are five times more likely to go to prison than children of parents who have never been incarcerated. The sins of the father visiting the child.