Who said "Death is not the end; it's a transition."?

This quote is attributed to Dr. Leonard McCoy.

Death is not the end; it's a transition. - Dr. Leonard McCoy

"Death is not the end; it's a transition."

Dr. Leonard McCoy Death

"I'm a doctor, not a magician!"

"Life is precious in all its forms, even when it's unconventional."

"The needs of the many outweigh the needs of the few."

"I have not, nor will I ever, get used to losing patients."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."