Be capable of violence, do not be violent. 😎

Violent

adjective
Causing or intending to cause damage, injury, or death, often when involving great force.
“a violent car crash; a violent attack.”
Characterized by or displaying physical violence.
“a violent past; a violent movie.”
Caused by unexpected force or injury rather than by natural causes.
“a violent death.

violence
/vī′ə-ləns/

noun
Behavior or treatment in which physical force is exerted for the purpose of causing damage or injury.
“the violence of the rioters.”
Intense force or great power, as in natural phenomena.
“the violence of a tornado.”
Extreme or powerful emotion or expression.
“the violence of their tirades.”