mind
“Where id is, there shall ego be.”
“The ego represents what we call reason and sanity, in contrast to the id which contains the passions.”
“The mind is like an iceberg, it floats with one-seventh of its bulk above water.”
“The perfect man employs his mind as a mirror.”
“The wise man uses his mind like a mirror: it grasps nothing; it refuses nothing; it receives, but does not keep.”
“A mind is like a parachute. It doesn't work if it is not open.”
“Live quietly in the moment and see the beauty of all before you.”
“Once we are destined to live out our lives in the prison of our mind, our one duty is to furnish it well.”
“Man is said to be a reasoning animal... More often I have seen a cat reason than laugh or weep.”