The phrase "tranquil pace" refers to a peaceful, calm and unhurried way of life or activity. It suggests a state of serenity and stillness where there is no stress, anxiety or worry. The word "tranquil" means calm, quiet and undisturbed, while the phrase "pacific pace" refers to a peaceful and relaxed manner of living or working. In essence, it describes a state of being that is free from chaos, confusion and disorder, characterized by harmony, balance and inner peace.