The body remembers what the mind forgets.

The mind is a system for making life possible.

To every action there is always opposed an equal reaction； or， the mutual actions of two bodies upon each other are always equal， and directed to contrary parts.

"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."

Science is a journey, not a destination.

最好的数学家是那些不怕冒险的人。