It always seems impossible until it's done.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

It is never too late to become what you might have been

There are no bad mistakes in maths, only discoveries.

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

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

You can have results or excuses, not both

Tough times never last, but tough people do.

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

Try and do one thing each day that you would really rather not do.

I think, therefore I am.

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

The journey of a thousand miles begins with one step.

Shoot for the moon and even if you miss you’ll land among the stars/