Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information on it.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Live as if you were to die tomorrow. Learn as if you were to live forever.

If you think you can do a thing or think you can't do a thing, you're right.

The key is to keep company only with people who uplift you, whose presence calls forth your best.

Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.

Success is the sum of small efforts - repeated day in and day out.

Change your life today. Don't gamble on the future, act now, without delay.

Don't judge each day by the harvest you reap but by the seeds that you plant.

Human behavior flows from three main sources: desire, emotion, and knowledge.

Knowledge is power. Information is liberating. Education is the premise of progress in every society, in every family.

A man must not deny his manifest abilities, for that is to evade his obligations.

We may encounter many defeats, but we must not be defeated.

We aim above the mark to hit the mark.

Research is formalized curiosity. It is poking and prying with a purpose.

A somebody was once a nobody who wanted to and did.

Hope is patience with the lamp lit.

A single sunbeam is enough to drive away many shadows.

It does not matter how slowly you go as long as you do not stop.

The larger the island of knowledge, the longer the shoreline of wonder.

The best advice I ever got was that knowledge is power and to keep reading.

The secret of getting ahead is getting started.

A man only learns in two ways, one by reading, and the other by association with smarter people.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

We should regret our mistakes and learn from them, but never carry them forward into the future with us.

Consistency is the last refuge of the unimaginative.

I am always doing that which I cannot do, in order that I may learn how to do it.

Good, better, best. Never let it rest. 'Til your good is better and your better is best.

Better keep yourself clean and bright; you are the window through which you must see the world.

It always seems impossible until it's done.

Your mind will answer most questions if you learn to relax and wait for the answer.

If you're going through hell, keep going.

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

I like to listen. I have learned a great deal from listening carefully. Most people never listen.

God lets everything happen for a reason. It's all a learning process, and you have to go from one level to another.

Change your life today. Don't gamble on the future; act now, without delay.

Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.

People only see what they are prepared to see.

We are drowning in information but starved for knowledge.

Perplexity is the beginning of knowledge.

You teach best what you most need to learn.

The possession of knowledge does not kill the sense of wonder and mystery. There is always more mystery.

Once you learn to quit, it becomes a habit.

The ability to perceive or think differently is more important than the knowledge gained.

The first step towards knowledge is to know that we are ignorant.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

The home is the chief school of human virtues.

We aim above the mark to hit the mark.

Knowledge rests not upon truth alone, but upon error also.

Either you run the day or the day runs you.