Pascal's Principe is the rule that when force is applied to a confined fluid the increase in pressure is transmitted equally to all parts of the fluid.Bernoulli's principle is the rule that a stream...
interpret opposing views honestly and in their strongest form.
you can't
A principle is a rule of action or conduct.
I would suggest Mr. or Ms. But if you do go the other way, keep in mind when writing to them that it's PrinciPAL! ;)