Dynamics
Everything is sweetened by risk. (Alexander Smith)
A common danger unites even the bitterest enemies. (Aristotle)
He that is too secure is not safe. (Thomas Fuller)
The path is smooth that leadeth on to danger. (Shakespeare)
Most people want security in this world, not liberty. (H L Mencken)
When written in Chinese, the word 'crisis' is composed of two characters - one represents danger and the other represents opportunity. (John F Kennedy)
Our insignificance is often the cause of our safety. (Aesop)
It may well be that we shall by a process of sublime irony have reached a state in this story where safety will be the sturdy child of terror, and survival the twin brother of annihilation. (Sir Winston Churchill)

