Whenever you ring a bell it is heard and you cannot physically take back the sound that was made. Ringing a bell is a lot like the words you say, you cannot take them back. Make sure you mean what you say because most times people will remember them and it will determine how others view you.
Next time you become upset with someone make sure to think about your words before you say them. You may want to take back some hurtful words said in the moment, unfortunately that is not how things work. People will always know what you said and can affect how they perceive you in the future.