“Your future self is watching you right now through your memories.”

“I think it's reasonable to suppose that one could oscillate between being biologically 20 and biologically 25 indefinitely.”

“What I'm after is not living to 1,000. I'm after letting people avoid death for as long as they want to.”

“My approach is to start from the straightforward principle that our body is a machine. A very complicated machine, but none the less a machine, and it can be subjected to maintenance and repair in ...”

“If we are to bring about real regenerative therapies that will benefit not just future generations, but those of us who are alive today, we must encourage scientists to work on the problem of aging”

“I define aging as the set of accumulated side effects from metabolism that eventually kills us.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”

“One day, I decided to help wherever I could & it was almost like magic, because I was exactly what the world needed everywhere I went.”

“There is no more compelling motivation to worthwhile endeavor than the knowledge that we are children of God, that God expects us to do something with our lives, and that He will give us help when ...”

“Only a person who is motivated in the inner depths of his being will help without hesitation and with no obligation for the one helped.”