The trouble is that you think you have time.
"I don't want to achieve immortality through my work. I want to achieve it through not dying."
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes into you."
"Well, remember what you said, because in a day or two, I'll have a witty and blistering retort! You'll be devastated THEN!"
"I believe in long, prolonged, derangement of the senses in order to obtain the unknown."
"You drown not by falling into a river, but by staying submerged in it."