Complex sentence: Although Lwaxana encourages Timicin to continue his research, the scientist reveals that he is unable to as it is time for him to undergo a ritual suicide invoked at the age of sixty to save children from the burden of a parent's aging.
Split into simpler sentences: Although Lwaxana encourages Timicin to continue his research, the scientist reveals that he can't. It's time for him to undergo a ritual suicide invoked at the age of sixty to save children from the burden of a parent's aging.