The process or act of moving from a state of knowledge to a state of the unknown, often implying discovery or exploration.

ज्ञात से अज्ञात की ओर बढ़ना

English Usage: The scientist's curiosity always led him from the known to unknown lead.

Hindi Usage: वैज्ञानिक की जिज्ञासा हमेशा उसे ज्ञात से अज्ञात की ओर ले जाती थी।