Don't fear failure, fear being in the same exact same place next year as you are now.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

Never underestimate the importance of small steps. small steps = big changes. 

I think, therefore I am.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

Pure mathematics is in its way, the poetry of logical ideas.

The easiest person to deceive is yourself.

We all make mistakes. What matters is how we choose to move forwards from them.

He who has begun his task is half-way done. Have the courage to begin!

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

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Don’t hang your targets after you’re done shooting.

99% of failures come from people who have the habit of making excuses.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there