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在化学中,就像在生活中一样,最具变革性的反应往往需要耐心和精确的条件。
Keep your face always toward the sunshine, and shadows will fall behind you.
True forest stewardship means leaving some trees - and some profits - for those who come after us.
忧虑是人们生存的重要条件。与忧虑的正面交锋可以为我们驱赶厌倦感,使我们的感觉更加敏锐,并且保持人类生存所必须的压力。
We must listen to our consumers, but also educate them about the realities of dairy production.
解释:不注意天时,财富就不能增长;不注意地利,粮食就不会充足。
The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience.