One must be convinced to convince, to have enthusiasm to stimulate the others.
In history as in human life, regret does not bring back a lost moment and a thousand years will not recover something lost in a single hour.
When they are preparing for war, those who rule by force speak most copiously about peace until they have completed the mobilization process.
Often the presence of mind and energy of a person remote from the spotlight decide the course of history for centuries to come.