Source: Sahasranama Bhashya by Adi Sankara
मुहूर्तमपि यो ध्यायेन्नारायणमतन्द्रितः ।
सोऽपि स्वर्गतिमाप्नोति किं पुनस्तत्परायणः ॥
He who meditates on the immutable Lord Narayana, even for moment, attains salvation. How easy should be, then, for those who are wholly devoted to Him.
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
Lord Krishna's auspicious Name even once heard or uttered destroys all evils or inauspiciousness. This Bhagavatha Dharma is founded and established by Lord Sri Krishna which protects the entire world.