在野外，每一個(gè)決定都可能意味著生與死的區(qū)別。
Efficiency is highly overrated； Goofing off is highly underrated. Regularly scheduled sabbaths， sabbaticals， vacations， breaks， aimless walks and time off are essential for top performance of any kind. The best work ethic requires a good rest ethic.
過去從未死去，它甚至不是過去。
The great tragedy of life is not that men perish, but that they cease to love.
The great challenge of the modern world is to create institutions that are strong enough to govern effectively but also accountable and responsive to the needs of citizens.
自然知識(shí)的改進(jìn)者絕對(duì)拒絕承認(rèn)所謂的權(quán)威。