Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

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

99% of genius comes from hard work, the remaining 1% comes from innate talent

Just stick with it, what seems hard now will one day be your warm up.

If you want to succeed, double your failure rate.

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

We all have two lives. The second begins when we realise we only have one. 

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

The easiest person to deceive is yourself.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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