lava-matra
Śrī Caitanya Caritāmṛta Madhya 22.54
'sādhu-sańga', 'sādhu-sańga' sarva-śāstre kaya
lava-mātra sādhu-sańge sarva-siddhi haya
TRANSLATION
"The verdict of all revealed scriptures is that by even a moment's association with a pure devotee, one can attain all success.
PURPORT
According to astronomical calculations, a lava is one eleventh of a second.