Çréman Mahäprabhu says in the Caitanya Caritämåta (Antya 20)
khäite çuite yathä tathä näma loy,
käla deça niyama näi sarva-siddhi hoy –
“Whether you are eating or reclining,
wherever you take the name of
Krishna regardless of time or place,
you will attain all perfection.”