Mathematics is not a spectator sport; to understand it, one must engage with it actively.

We are what we think.

"The world is a book, and those who do not travel read only one page."

"The act of creation is an act of faith."

Focus on directions rather than destinations. Who knows their destiny？ But maintain the right direction and you’ll arrive at where you want to go.

Doing simple things well is extraordinary, doing ordinary work well is remarkable.