Who said "Death is part of life, not its opposite."?

This quote is attributed to Sarah Jane Smith.

Death is part of life, not its opposite. - Sarah Jane Smith

"Death is part of life, not its opposite."

Sarah Jane Smith Death

"I'm a journalist. I report the truth."

"You can't just ignore something like this."

"I've learned that the impossible is just the possible waiting to happen."

"Knowledge is power, and I intend to use it."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."