In three words I can sum up everything I've learned about life: it goes on.

Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.

Knowledge is the most democratic source of power.

Every new beginning comes from some other beginning's end.

Learning never exhausts the mind.

Having knowledge but lacking the power to express it clearly is no better than never having any ideas at all.

All wish to possess knowledge, but few, comparatively speaking, are willing to pay the price.

Our work is the presentation of our capabilities.

Always remember that you are absolutely unique. Just like everyone else.

Science is the knowledge of consequences and the dependence of one fact upon another.

It is during our darkest moments that we must focus to see the light.

Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.

To acquire knowledge, one must study; but to acquire wisdom, one must observe.

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

If you're going through hell, keep going.

I have not failed. I've just found 10,000 ways that won't work.

In general contexts, speculate means "to form ideas or theories about something usually when there are many things not known about it." In contexts relating to business or finance, it means "to invest money in ways that could produce a large profit but that also involve a lot of risk."

// Scientists speculate that the newly discovered exoplanet could host liquid water.

// Their research explores the implications of so many people speculating on the stock market in the years leading up to the Great Depression.

If you change the way you look at things, the things you look at change.

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

Put your heart, mind, and soul into even your smallest acts. This is the secret of success.

All wish to possess knowledge, but few, comparatively speaking, are willing to pay the price.

Thought is the wind, knowledge the sail, and mankind the vessel.

Where there is shouting, there is no true knowledge.

If you can dream it, you can do it.

It takes courage to grow up and become who you really are.

I can't change the direction of the wind, but I can adjust my sails to always reach my destination.

Perfection is not attainable, but if we chase perfection we can catch excellence.

A good plan violently executed now is better than a perfect plan executed next week.

A life is not important except in the impact it has on other lives.

The best preparation for tomorrow is doing your best today.

Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.

Believe you can and you're halfway there.

Life is 10% what happens to you and 90% how you react to it.

You can't expect to hit the jackpot if you don't put a few nickels in the machine.

If you fell down yesterday, stand up today.

Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment.

Start where you are. Use what you have. Do what you can.

Having knowledge but lacking the power to express it clearly is no better than never having any ideas at all.

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

It always seems impossible until it's done.

It takes considerable knowledge just to realize the extent of your own ignorance.

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

Today, knowledge has power. It controls access to opportunity and advancement.

We have all the light we need; we just need to put it in practice.

Wisdom is the power to put our time and our knowledge to the proper use.

Avoid popularity; it has many snares and no real benefit.

Anyone who has never made a mistake has never tried anything new.

Don't cry because it's over. Smile because it happened.

There is nothing like a dream to create the future.

Truth is strong, and sometime or other will prevail.