#calmness

Do not let the body be in a hurry; be calm and unhurried.

From The Book of Five Rings by Miyamoto Musashi

Breathing in, I calm my body. Breathing out, I smile.

From The Heart of the Buddha's Teaching by Thich Nhat Hanh

The ability to remain calm in chaos is a trader's greatest asset.

From The Psychology of Speculation by Victor Niederhoffer

The most important thing is not to panic.

From The Knowledge: How to Rebuild Civilization in the Aftermath of a Cataclysm by Lewis Dartnell

Don't Panic.

From The Hitchhiker's Guide to the Galaxy by Douglas Adams

Verily, in the remembrance of Allah do hearts find rest.

From The Quran: A New Translation by M.A.S. Abdel Haleem