Who said "All things end, but that does not diminish their value."?

All things end, but that does not diminish their value. - Q

"All things end, but that does not diminish their value."

"I am Q. I exist outside your normal space-time continuum."

"You humans are so fragile, yet so determined to survive."

"The trial never ends, it simply evolves."

"Your species shows promise, though it is frequently buried under remarkable stupidity."