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

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

Procrastination makes easy things hard and hard things harder.

Never underestimate the importance of small steps. small steps = big changes. 

Tough times never last, but tough people do.

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

The road to success is like a staircase. If you want to succeed, double your failure rate

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

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

I think, therefore I am.

Run in the morning before your body figures out what you're doing

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

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

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

Failure to prepare = preparing to fail