Psychological safety has garnered sustained attention in both organizational practice and academia as a pivotal factor that can foster upward voice, team learning, and organizational learning. The field of organizational behavior has also witnessed a burgeoning body of research on the role and utility of psychological safety. This study contributes to the ongoing discourse on two fronts. First, to further enhance the understanding of the intrinsic value of psychological safety, this research investigates whether psychological safety not only facilitates constructive suggestions for improving the organization but also encourages individuals to seek feedback for their personal growth and development. Second, this study considers career growth opportunities as a moderating variable to understand when psychological safety plays a more meaningful and pivotal role in facilitating the challenging behaviors. By examining the moderating role of career growth opportunities in the relationship between psychological safety and voice behavior as well as negative feedback-seeking behavior, this study aims to deepen our understanding of cognitive processes and psychological conditions. It is suggested that career growth opportunities serve as a promotive context that enables psychological safet...