# Will we learn to use these tools with wisdom and foresight before it's too late by Carl Sagan > "Will we learn to use these tools with wisdom and foresight before it's too late?" > **— Carl Sagan**, *Cosmos television series / planetary survival discussion* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Cosmos television series / planetary survival discussion.