Yesterday is not ours to recover, but tomorrow is ours to win or lose.

A dream doesn't become reality through magic; it takes sweat, determination and hard work.

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

The secret of getting ahead is getting started.

Set your goals high, and don't stop till you get there.

Where there is no vision, there is no hope.

Hope is being able to see that there is light despite all of the darkness.

Only those who will risk going too far can possibly find out how far one can go.

Nothing is impossible, the word itself says 'I'm possible'!

Productivity and efficiency can be achieved only step by step with sustained hard work, relentless attention to details, and insistence on the highest standards of quality and performance."

The good life is one inspired by love and guided by knowledge.

New knowledge is the most valuable commodity on earth. The more truth we have to work with, the richer we become.

Where there is shouting, there is no true knowledge.

May you live all the days of your life.

Inspiration arrives as a packet of material to be delivered.

There is little that can withstand a man who can conquer himself.

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.