Vishnu Sahasranama Opening Mantra

Shuklambaradharam - the one wearing white garments
Vishnum - Lord Vishnu, the all-pervading
Shashivarnam - with complexion like the moon
Chaturbhujam - four-armed
Prasannavadanam - with a pleasant, peaceful face
Dhyayet - one should meditate upon
Sarvavighnopashantaye - for the removal of all obstacles

One should meditate upon Lord Vishnu, who wears white garments, whose complexion is like the moon, who has four arms, and whose face radiates peace and grace, for the removal of all obstacles.