Discontent is the first necessity of progress.

I didn't fail 1000 times. The light bulb was an invention with 1000 steps.

Relentlessness and discontent are the first necessities of progress.

They say President Wilson has blundered. Perhaps he has, but I notice he usually blunders forward.

The trailblazers in human, academic, scientific, and religious freedom have always been nonconformists. In any cause that concerns the progress of mankind, put your faith in the nonconformist!

In vast stretches of the earth, men awoke today in hunger. They will spend the day in unceasing toil. And as the sun goes down they will still know hunger. They will see suffering in the eyes of their children. Many despair that their labor will ever decently shelter their families or protect them against disease. So long as this is so, peace and freedom will be in danger throughout our world. For wherever free men lose hope of progress, liberty will be weakened and the seeds of conflict will be sown.