It is not good enough to have a good mind

The inspiration.. 

Our mind is so important, use it or lose it.

Quote of the day.. 

"It is not good enough to have a good mind; the main thing is
to use it well."

-- Rene Descartes

Bits for Moving Up... 

The mind is a key that open almost anything, so utilize it wisely. Once it is stretch, it will
never go back to former dimension.

Firming question..
Do you use your mind for common good?