Is there any knowledge in the world which is so certain that no reasonable man could doubt it?
The Problems of PhilosophyWithout a knowledge of where words come from, things disappear, history is lost.
There Is A Season: A MemoirWe must quit thinking we know everything, and quit placing "knowledge" over kindness and compassion.
Voice of ReasonAn investment in knowledge always pays the best interest.
The Way to Wealth: Ben Franklin on Money and Success