No passion so effectually robs the mind of all its powers of acting and reasoning as fear.Edmund Burke
It is ordained in the eternal constitution of things, that men of intemperate minds cannot be free. Their passions forge their fetters.Edmund Burke
In bodies moved, the motion is received, increased, diminished, or lost, according to the relations of the quantity of matter and velocity; each diversity is uniformity, each change is constancy.Montesquieu
They are ill discoverers that think there is no land, when they can see nothing but sea.Francis Bacon