Sentence:  And rising out of the fourth stage of deep meditation he entered into the state of mind to which the infinity of space is alone present. And <WSD>passing</WSD> out of the mere consciousness of the  infinity of space he entered into the state of mind to which the infinity of though is along present. 
Meaning of the word marked with <WSD> tags:  To change from one state to another (without the implication of progression).