If they who fill only their own stomachs could achieve success, then all aquatic creatures would get it, for these have none else to support save their own selves.
औदकाः सृष्टयश्चैव जन्तवः सिद्धिमाप्नुयुः। तेषामात्मैव भर्तव्यो नान्यः कश्चन विद्यते॥