The Prince by Niccolo Machiavelli Chapter 25 Page 4

changes. Moreover, I believe that he will prosper most whose mode of acting best adapts itself to the character of the times; and conversely that he will be unprosperous, with whose mode of acting the times do not accord. For we see that men in these matters which lead to the end that each has before him, namely, glory and wealth, proceed by different ways, one with caution, another with impetuosity, one with violence, another with subtlety, one with patience, another with its contrary; and that by one or other of these different courses each may succeed.

Again, of two who act cautiously, you shall find that one attains his end, the other not, and that two of different temperament, the one cautious, the other impetuous, are equally successful. All which happens from no other cause than that the character of the times