Maybe you’re not inclined to try something because you’re not comfortable risking failure.
Maybe you’re not inclined to speak up because you’re not comfortable risking your reputation.
Maybe you’re not inclined to take a new job because you’re not comfortable risking the current set of opportunities your job affords you for the potentially better opportunities that the new job could offer.
Of course, to be risk-averse in these ways is to implicitly abandon all possibility of the alternative outcome:
By not trying something, you forgo the chance to learn.
By not speaking up, you forgo the chance to present a helpful idea.
By not taking the new job, you forgo whatever opportunities it may have offered.
Before the prospect of what you may lose completely persuades you into inaction, it’s worth balancing your perspective by acknowledging what becomes possible when you do take action.