The human thirst for excellence , knowledge ; every step up the ladder of science ; every adventurous reach into space ; all of our combined technologies and imaginations ; even the wars that we 've fought have provided us the tools to wage this terrible battle .
The human thirst for excellence and knowledge ; every step up the ladder of science ; every adventurous reach into space ; all of our combined technologies and imaginations ; even the wars that we 've fought have provided us with the tools to wage this terrible battle .