Great minds are to make others great. Their superiority is to be used not to break the multitude to intellectual vassalage not to establish over them a spiritual tyranny but to rouse them from lethargy and to aid them to judge for themselves.
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.