You cannot escape the responsibility of tomorrow by evading it today

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.

In order to become better than anybody else you must first become better than yourself.

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

I can is 100 times more important than IQ.

The journey of a thousand miles begins with one step.

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

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

The easiest person to deceive is yourself.

You're not in competition with anyone but yourself. Outdo your past, not other people.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

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

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

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

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