The monks observed strict practices.
The monks observed the rule of silence in the library, or at most, whispered.
'Does that not depend,' the monk observed slyly, 'on how many enemy there are?'
A shame that,' observed the monk, taking up the jar once more.
An American squad managed a reconnaissance right up against the cliff-like abbey walls, with the monks observing German and American patrols exchanging fire.
One is in the Monastery, through which a monk first observed a strangely grieving woman singing her Blue Song on the beach many years ago.
In the Thai Forest Tradition monks and nuns go further and observe the 'one eaters practice', whereby they only eat one meal during the morning.
Ignoring the crowd, the monk glided up to the man on the cross and observed him closely, then walked off stage.
Traditionally, monastics observed the basic moral code in Buddhism, the Pratimoksha, but in the Mahayana tradition, monks would additionally observe the Bodhisattva Precepts on top of the existing code.
During this period, which lasts for one-and-a-half-months, the monks observe special vows and the strictest monastic disciplines.