It always seems impossible until it's done.

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

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.

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

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

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

Procrastination makes easy things hard and hard things harder.

There are no bad mistakes in maths, only discoveries.

The journey of a thousand miles begins with one step. 

"I" not them. Be the best version of you.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

Failure to prepare = preparing to fail

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

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

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