Serenity: Quotations from Cyclopedia of Practical Quotations
In animi securitate vitam beatam ponimus. We think a happy life consists in tranquility of mind.— CICERO — De Natura Deorum. I. 20.
Cur in theatrum, Cato, severe, venisti? Why, Cato, do you enter the theater with such a look of severity?— MARTIAL — Epigrammata. I. 1. 3.
Altissima quæque flumina minimo sono labuntur. Still waters run deep.— QUINTUS CURTIUS RUFUS — De Rebus
Gestis Alexandri Magni. VII. 4.