[ Spock hums gently in agreement, his low voice vibrating in his chest. ]
Yes, I believe you do, but you do not strike me as a man who shies away from a challenge.
Other options:
no subject
[ Spock hums gently in agreement, his low voice vibrating in his chest. ]
Yes, I believe you do, but you do not strike me as a man who shies away from a challenge.