Tomorrow is worth more than yesterday but less than today.

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

Don't fear failure, fear being in the same exact same place next year as you are now.

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

You can have results or excuses, not both

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

If you want to succeed, double your failure rate.

Don’t practice until you get it right, practice until you can’t get it wrong.

It is never too late to become what you might have been

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

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

Time is your friend, impulse is your enemy.

Lose an hour in the morning and you will spend all day looking for it.

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

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