There are no bad mistakes in maths, only discoveries.

I think, therefore I am.

Fall down seven times, stand up eight.

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.

The greatest mistake we make is living in constant fear that we will make one.

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

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

Success is a journey, not a destination.

Hope might be a good breakfast, but it makes a very poor dinner

It doesn’t matter where you start, it matters how you end

I have not failed, I've just found 10,000 ways that won't work.

The easiest person to deceive is yourself.

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

We learn more from failure than we do from success.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.