Talent does what it can; genius does what it must. (Edward George Bulwer-Lytton)

You can only find truth with logic if you have already found truth without it. (Gilbert Keith Chesterton)

You may not be interested in war, but war is interested in you. (Leon Trotsky)

The significant problems we face cannot be solved at the same level of thinking we were at when we created them. (Albert Einstein)

You can avoid reality, but you cannot avoid the consequences of avoiding reality. (Ayn Rand)