Courage is a special kind of knowledge: the knowledge of how to fear what ought to be feared and how not to fear what ought no to be feared. – David Ben-Gurion
The beauty of the soul shines out when a man bears with composure one heavy mischance after another, not because he does not feel them, but because he is a man of high and heroic temper. – Aristotle
By exploring the political and moral colorings of discoveries about what makes us tick, we can have a more honest science and a less fearful intellectual milieu. – Steven Pinker