Democracy must be born anew every generation, and education is its midwife.
The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
Chainsaws don't destroy forests—short-term thinking does.
最好的股票是你已经拥有的那只。