The greatest mistake we make is living in constant fear that we will make one.

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

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

The journey of a thousand miles begins with one step. 

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.

Tough times never last, but tough people do.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Hope might be a good breakfast, but it makes a very poor dinner

It always seems impossible until it's done.

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

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

I can is 100 times more important than IQ.

Everything that happens was once a dream.