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

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

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

Tomorrow is worth more than yesterday but less than today.

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

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

If you fail, next time fail better.

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

Instead of finding reasons why you can't, find reasons why you can.

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Your attitude is everything. Pick a good one.

We learn more from failure than we do from success.

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

The easiest person to deceive is yourself.