הֲיִשְׁאַ֤ג אַרְיֵה֙ בַּיַּ֔עַר וְטֶ֖רֶף אֵ֣ין ל֑וֹ הֲיִתֵּ֨ן כְּפִ֤יר קוֹלוֹ֙ מִמְּעֹ֣נָת֔וֹ בִּלְתִּ֖י אִם־לָכָֽד׃
Will a lion roar in the forest, When he hath no prey? Will a young lion give forth his voice out of his den, If he have taken nothing?
Read Kabbalistic (mystical) interpretations of Amos 3:4: Zohar and classical Jewish mystical sources, free online.