"The most basic of all human needs is the need to understand and be understood. The best way to understand people is to listen to them." Ralph Nichols
Be, and look interested
Put yourself in the other’s place
Repeat what has been said. Make sure you have understood it correctly.
Look for body language
Do NOT interrupt
There are people who, instead of listening to what is being said to them, are already listening to what they are going to say themselves. Albert Guinon (1
Do not judge or criticize what’s being said
Shut up
"I remind myself every morning: Nothing I say this day will teach me anything. So if I'm going to learn, I must do it by listening." Larry King