Peace is the simplicity of heart, serenity of mind, tranquility of soul, the bond of love. — Pio of Pietrelcina
After four years at the united nations I sometimes yearn for the peace and tranquility of a political convention. — Adlai E. Stevenson II
An everlasting tranquility is, in my imagination, the highest possible felicity, because — Johann Georg Ritter von Zimmermann
In your occupations, try to possess your soul in peace. It is — Jeanne Marie Bouvier de la Motte Guyon
We have a largely materialistic lifestyle characterized by a materialistic culture. However, — Dalai Lama
After a quarter of a century of personal experience and professional observation, — Joshua L. Liebman