Tough times never last, but tough people do.

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.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Run in the morning before your body figures out what you're doing

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

You can hire a tutor but you can't hire someone to practice for you.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

The master has failed more times than the beginner has even tried

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

The greatest enemy to human potential is your comfort zone

We all have two lives. The second begins when we realise we only have one. 

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.

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

A book a day keeps the stupidity away.