It means that he has put his foot upon the Rock of Life, that the Doorway of Heaven is open before him, that all of Good is as free to him as the air he breathes.

• 意味着他已经一脚踏在了生命之石上，而且天堂之门已经为他敞开，他可以像自由享受空气一样去享受任何美好的东西。）