The ones who are crazy enough to think they can change the world are the ones that do.

The atom, being for all practical purposes the stable unit of the physical plane, is a constantly changing vortex of reactions.

Charity degrades those who receive it and hardens those who dispense it. All that is not a true change will disappear in the future society.

Progress is impossible without change, and those who cannot change their minds cannot change anything.

The greatest revolution of our generation is the discovery that human beings, by changing the inner attitudes of their minds, can change the outer aspects of their lives.

If you want to change the world, pick up your pen and write.

Change how you see and see how you change.

What is conservatism? Is it not adherence to the old and tried, against the new and untried?

I shall work for the Republican party and call on all women to join me, precisely…for what that party has done and promises to do for women, nothing more, nothing less.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

You can’t change how people treat you or what they say about you. All you can do is change how you react to it.

Our scientific power has outrun our spiritual power. We have guided missiles and misguided men.

We should never permit ourselves to do anything that we are not willing to see our children do. We should set them an example that we wish them to imitate.

The average person puts only 25% of his energy and ability into his work. The world takes off its hat to those who put in more than 50% of their capacity, and stands on its head for those few and far between souls who devote 100%.

A leader is best when people barely know he exists, when his work is done, his aim fulfilled, they will say: we did it ourselves.

I'm a writer, and I will write what I want to write.

Keep in mind that the true measure of an individual is how he treats a person who can do him absolutely no good.

Let us resolve to be masters, not victims, of our history, controlling our own destiny without giving way to blind suspicions and emotions.

Leaders must understand that some people will inevitably sell out to the evil side. Don't waste your time wondering why; spend your time discovering who.

Man’s goodness is a flame that can be hidden but never extinguished.

If there must be trouble, let it be in my day, that my child may have peace, and this single reflection, well applied, is sufficient to awaken every man to duty.

When you say 'yes' to others, make sure you are not saying 'no' to yourself.

The purpose of Propaganda is to make one set of people forget that other sets of people are human.