The cell is immortal. It is merely the fluid in which it floats that degenerates. Renew this fluid at regular intervals, give the cells what they require for nutrition, and as far as we know, the pulsation of life can go on forever.
Alexis CarrelHard conditions of life are indispensable to bringing out the best in human personality.
Alexis CarrelThe most efficient way to live reasonably is every morning to make a plan of one's day and every night to examine the results obtained.
Alexis Carrel