There is no elevator to success, you have to take the stairs.

There are no shortcuts to any place worth going.

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

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

Tough times never last, but tough people do.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

Procrastination is the thief of time and the enemy of success.

The easiest person to deceive is yourself.

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

If you fail, next time fail better.

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

A book a day keeps the stupidity away.

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

It doesn’t matter where you start, it matters how you end

If you can understand just one thing thoroughly, then you will understand everything.