But it was gracious of Lucas to acknowledge the importance of Star Trek to his own work.
Not that he really needed to; some of it is kind of obvious.
Vader levitating a coffee cup, as seen in the ANH comic/novel? Gary Mitchell did it first.
Palpatine shooting energy bolts from his bare hands? Gary Mitchell did it first.
Obi-Wan feeling the death of Alderaan? Spock did it first ( in The Immunity Syndrome