'The good life is one inspired by love and guided by knowledge.' Is it grammatically correct ?

This is a quote by Bertrand Russell. Is it grammatically correct? Debating a friend over it! or:This is a quote by Bertrand Russell. Is it grammatical

This is a quote by Bertrand Russell. Is it grammatically correct?
Debating a friend over it!

or:This is a quote by Bertrand Russell. Is it grammatically correct? Debating a friend over it!

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