We don't inherit the earth from our ancestors; we borrow it from our children.
Life is about growth and change. When you stop growing, you stop living.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.
The pursuit of mathematical knowledge is a journey that never ends; there is always more to discover and understand.