You can be shown the path, but only you can make the first 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.

Patience is when you’re supposed to get mad, but you choose to understand

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.

The greatest enemy to human potential is your comfort zone

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

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

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

The easiest person to deceive is yourself.

Start, struggle, fail, fix and learn. Repeat.

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

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

Success is not final and failure is not fatal. It is the courage to continue that counts.

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