Book X, 4

Loose the long hawsers from your well-moored ships, and spreading your easily-hoisted sails set to sea, merchant captain. For the storms have taken flight and tenderly laughing Zephyr now makes the blue wave gentle as a girl. Already the swallow, fond parent, is building with its lisping lips its chamber out of mud and straw, and flowers spring up in the land; therefore listen to Priapus and undertake any kind of navigation.