"It does not undo harm to acknowledge that we have done it; but it undoes us not to acknowledge it."

"We should have known better after the first war."

"He who knows that enough is enough will always have enough."

"He learned to become the killer... who needs to succeed at all costs, who recognizes that other people are …"

"In every branch of knowledge the progress is proportional to the amount of facts on which to build, and the…"

"Education is the great equalizer, and shouldn’t be limited to the wealthiest few."

"In the pedagogical as in certain other spheres freedom is not allowed to erupt, the power of the opposition…"