Ignorance once dispelled is difficult to reestablish.
Middle age is when you stop criticizing the older generation and start criticizing the younger one.
We are members of a strange species that devotes its energies to climbing the ladder of success in order to make money to buy things we don't like.
In the country of the blind, the one-eyed king can still goof up.
Lead, follow or get of the way
Competition in academia is so vicious because the stakes are so small.