We regret

 We regret saying those angry words only after we have hurt someone beyond repair,
we live a life of fear apprehension after we have paid a heavy cost for a few moments of indulgence...

"Understand the danger of anything-too-much in your lives." 

"Too much anger in combat can lead to
 recklessness and death." 

"Too much ardor in religious beliefs can lead to
 closed mindedness and persecution." 

"Too much passion in love creates dream images
 of the beloved - images that ultimately prove false
 and generate anger." 

"To love too much is to lick honey from the
 point of a knife."