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.

I think, therefore I am.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

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

The temptation to quit will be the greatest when you are about to succeed

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

There are no shortcuts to any place worth going.

Our fixed mindset builds our cage, fear keeps us in it.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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

The bad news is time flies, the good new is that you're the pilot.

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

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

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

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