It always seems impossible until it's done.

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.

It is never too late to turn an unproductive day into a productive one.

If you fail, next time fail better.

Lose an hour in the morning and you will spend all day looking for it.

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

There are no bad mistakes in maths, only discoveries.

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

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

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Everything you want is on the other side of fear

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

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time.