Of the following advice given by an experienced teacher to a new colleague, it would be best to ignore the one that state

if you have a very shy child, don’t call on the child, wait until the child volunteers

give praise to even the poorest achiever; you can always find something worthwhile to praise

when a child misbehaves, first look for the reaction

write an interesting question on the board for the pupils to answer as soon as they enter the room

ask many “how” and “Why” questions and not too many “what and who questions