Synonyms:

na–without; karmanam–of the prescribed duties; anarambhat–nonperformance; naiskarmyam–freedom from reaction; purusah–man; asnute–achieve; na–nor; ca–also; sannyasanat–by renunciation; eva–simply; siddhim–success; samadhigacchati–attain.

Translation:

Not by merely abstaining from work can one achieve freedom from reaction, nor by renunciation alone can one attain perfection.