The most terrifying thing I can think of is being alone - and I mean utterly alone like no one else in the world alone - at night. That's the nucleus of the first story in my collection and it's also where the title came from for the book.
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.