Talking. Only what has sense and meaning should come from the lips of one striving for higher development. All talking for the sake of talking — to kill time — is in this sense harmful.
The usual kind of conversation, a disjointed medley of remarks, should be avoided. This does not mean shutting oneself off from intercourse with one's fellows; it is precisely then that talk should gradually be led to significance. One adopts a thoughtful attitude to every speech and answer taking all aspects into account. Never talk without cause — be gladly silent. One tries not to talk too much or too little. First listen quietly; then reflect on what has been said.
This exercise may be called: