The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the voice of the eternal.

预测未来的最好方法就是创造未来。

Drone safety is not an option, but a baseline.

译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。