You shall not, for the sake of one individual, change the meaning of principle and integrity, nor endeavour to persuade yourself or me, that selfishness is prudence, and insensibility of danger, security for happiness.
Uncertainty and danger are always closely allied; thus making any kind of an unknown world a world of peril and evil possibilities.
The world is indeed full of peril and in it there are many dark places. But still there is much that is fair. And though in all lands, love is now mingled with grief, it still grows, perhaps, the greater.
The danger of the past was that men became slaves. The danger of the future is that men may become robots.
My father says that fear is good; it’s the body’s alarm system, it warns us of danger. But sometimes danger can’t be avoided, and then you have to forget about being afraid.
Where danger shews it self, apprehension cannot, without stupidity, be wanting; where danger is, sense of danger should be; and so much fear as should keep us awake, and excite our attention, industry, and vigour; but not to disturb the calm use of our reason, nor hinder the execution of what that dictates.
There’s never been a true war that wasn’t fought between two sets of people who were certain they were in the right. The really dangerous people believe that they are doing whatever they are doing solely and only because it is without question the right thing to do. And that is what makes them dangerous.
The secret of realising the largest productivity and the greatest enjoyment of existence is to live in danger![Das Geheimniss, um die grösste Fruchtbarkeit und den grössten Genuss vom Dasein einzuernten, heisst: gefährlich leben!]