Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

Remember to look up at the stars and not down at your feet.

Life would be tragic if it weren’t funny.

It is not clear that intelligence has any long-term survival value.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the universe. That makes us something very special.

However difficult life may seem, there is always something you can do and succeed at.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.