The belief that youth is the happiest time of life is founded upon a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.

Your success is not determined by the challenges you face, but by your resilience and ability to overcome them.

Nature's great book is written in mathematical language.

Never shall I forget those flames which consumed my faith forever.

Fear is inevitable, I have to accept that, but I cannot allow it to paralyze me.

“If you live for weekends or vacations, your shit is broken.”

There is only one success — to be able to spend your life in your own way.