In Buddhism, the most important precept is to live in awareness, to know what is going on.
— Thich Nat Hanh
The men and women who enter monastic life quickly discover how much emphasis is placed on the discipline of careful moment-to-moment attention. This is true of all spiritual traditions, Eastern and Western. There are myriad ways to bring mindfulness into daily life. Tibetan monks, for example, frequently practice a moment of mindfulness each and every time they walk through a door. Sometimes they do this by remembering to recite a certain verse or mantra as they do so. Try this yourself for a day. Every time you walk through a door, pause, take a moment, breathe in and out. Bring yourself back to the moment. Then cross the threshold and walk on.— Lama Surya Das in Awakening to the Sacred