Pro Aptitude Academy

"Survival is the second law of life. The first is that we are all one."

- Joseph Campbell 

"A cell has a history; its structure is inherited, it grows, divides, and, as in the embryo of higher animals, the products of division differentiate on complex lines. 

Living cells, moreover, transmit all that is involved in their complex heredity. I am far from maintaining that these fundamental properties may not depend upon organisation at levels above any chemical level; to understand them may even call for different methods of thought; I do not pretend to know. 

But if there be a hierarchy of levels we must recognise each one, and the physical and chemical level which, I would again say, may be the level of self-maintenance, must always have a place in any ultimate complete description."

— Sir Frederick Gowland Hopkins

'Some Aspects of Biochemistry', The Irish Journal of Medical Science (1932)