Ramayana
ते प्रयाता महात्मानः पार्थिवास्ते प्रहृष्टवत् । गजवाजिसहस्रौघैः कम्पयन्तो वसुन्धराम् ॥ 7-39-1 ॥
Those high-souled kings set forth in great joy, making the earth tremble beneath the floods of their thousands of elephants and horses.
english translation