Definitely more than just an off-hand comment, and, I think, quite a common fear among successful people. Bill Gates, Peter Thiel, Larry Ellison, and a handful of other tech execs have all shared how uncomfortable they are with death ("I don't understand how someone can stop existing", greatest fear is not being able to think, "death is a terrible, terrible thing", etc.).
Definitely more than just an off-hand comment, and, I think, quite a common fear among successful people. Bill Gates, Peter Thiel, Larry Ellison, and a handful of other tech execs have all shared how uncomfortable they are with death ("I don't understand how someone can stop existing", greatest fear is not being able to think, "death is a terrible, terrible thing", etc.).