I think, therefore I am.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

The greatest enemy to human potential is your comfort zone

Success is the sum of small repeated efforts, day in and day out.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

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

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.

The temptation to quit will be the greatest when you are about to succeed

Hard work - a two way street where you get exactly what you put in.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Mistakes have the power to turn you into something better than you were before.

Your attitude is everything. Pick a good one.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.