If God has made the world a perfect mechanism He has at least conceded so much to our imperfect intellect that in order to predict little parts of it we need not solve innumerable differential equations but can use dice with fair success.
Wrinkles should merely indicate where smiles have been.
Anyone who stops learning is old whether at twenty or eighty. Anyone who...
Age is an issue of mind over matter. If you don't mind it doesn't matter.