The best time to plant a tree was 20 years ago. The second best time is now.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

Do the best you can until you know better.  Then when you know better, do better.

I am not a product of my circumstances. I am a product of my decisions.

Why has government been instituted at all? Because the passions of man will not conform to the dictates of reason and justice without constraint.

Life is 10% what happens to me and 90% of how I react to it.

It’s no use going back to yesterday, because I was a different person then.

Like a team of specialists in any field, our performance depended both on individual excellence and on how well we worked together...We all tried to figure out ways to make our combination more effective

Happiness is not a goal...it's a by-product of a life well lived.

Your time is limited, so don’t waste it living someone else’s life.

“You can often change your circumstances by changing your attitude”

What's right about America is that although we have a mess of problems, we have great capacity—intellect and resources—to do something about them.

I do the best I know how, the very best I can, and I mean to keep doing so until the end.

I don't want people who want to dance. I want people who have to dance.

No one can make you feel inferior without your consent.

Life is about making an impact, not making an income.

I happen to feel that the degree of a person's intelligence is directly reflected by the number of conflicting attitudes she can bring to bear on the same topic.

The mind is everything. What you think you become.

When you see someone without a smile, give them one of yours.

Time is the scarcest resource and unless it is managed nothing else can be managed.

Competition rarely puts anyone out of business - a man usually puts himself out of business either by not making a good article or by wrong methods in sales or finance.

All great things are simple, and many can be expressed in single words: freedom, justice, honor, duty, mercy, hope.

Difficulties are things that show a person what they are.

Strive not to be a success, but rather to be of value.

We become what we think about.

Every strike brings me closer to the next home run.

Whatever the mind of man can conceive and believe, it can achieve.

I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.

It is not because things are difficult that we do not dare; it is because we do not dare that they are difficult.

A nation that forgets its past can function no better than an individual with amnesia.

A hero is no braver than an ordinary man, but he is brave five minutes longer.

Be who you are and say what you feel because those who mind don't matter, and those who matter don't mind.

Eighty percent of success is showing up.

The government is good for one thing... it knows how to break your legs, and then hand you a crutch and say 'see if it weren't for the government you wouldn't be able to walk.

Winning isn’t everything, but wanting to win is.

On Forgiveness: 'It is the attribute of the strong.’

Opportunities multiply as they are seized.

A lie can travel half-way around the world while the truth is putting on its shoes.

He who dares not offend cannot be honest.

Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.

Two roads diverged in a wood, and I—I took the one less traveled by, And that has made all the difference.

You can’t go back and change the beginning, but you can start where you are and change the ending.

One of the great mistakes is to judge policies by their intentions, rather than their results.

The most difficult thing is the decision to act, the rest is merely tenacity.

Wear your failure as a badge of honor.

A man is happy so long as he chooses to be happy.

Study the past, if you would divine the future.

It is the knowledge that all men have weaknesses and that many have vices, that makes government necessary.

The whole future lies in uncertainty: live immediately.

You miss 100% of the shots you don’t take.