The Meaning of - असतो माँ सद्गम्य ! तमसो मा ज्योतिर्गमय ! मृत्योर्मा अमृतं गमय !

The meaning of : 

असतो माँ सद्गम्य ।   तमसो मा ज्योतिर्गमय ।   मृत्योर्मा अमृतं गमय । । 

From untruth lead me to the Truth . From darkness (of ignorance) lead me to Light (of Knowledge). From death lead me to immortality.
                                             - BRIHADARANYAKA UPANISHAD