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

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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

Failure to prepare = preparing to fail

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

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

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

Knowledge is of no value unless you put it into practice.

He who has begun his task is half-way done. Have the courage to begin!

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

There is no elevator to success, you have to take the stairs.

It is never too late to turn an unproductive day into a productive one.

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

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.

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