आत्मनो मुखदोषेण बध्यन्ते शुकसारिकाः।
बकास् तत्र न बध्यन्ते मौनं सर्वार्थसाधनम्॥
Parrots and mynahs are caught due to their speech, while herons are spared because of silence — silence achieves everything.