The greatest danger in life is not to take the adventure.
The mind, both in so far as it understands, and in so far as it imagines, is passive.
预测未来的最好方法就是发明它。
出自汉·桓宽《盐铁论·险固》。这句话以“地利”与“人和”、“武力”与“文德”的对比,阐明了实行仁政对于治国安邦的重要性。