"I see that the path of progress has never taken a straight line, but has always been a zigzag course amid the conflicting forces of right and wrong, truth and error, justice and injustice, cruelty and mercy."
"It would do the world good if every man would compel himself occasionally to be absolutely alone. Most of the world s progress has come out of such loneliness."
"Without struggle, no progress and no result. Every breaking of habit produces a change in the machine."
"While I will always have the utmost respect for the superhuman out-of-bounds freestyle and extreme stunts that seem to continually progress beyond our imaginable limits, my highest appreciation goes out to the simple rider who's out there just for the experience."
"Civilization is the progress toward a society of privacy. The savage's whole existence is public, ruled by the laws of his tribe. Civilization is the process of setting man free from men."
"War involves in its progress such a train of unforeseen circumstances that no human wisdom can calculate the end it has but one thing certain, and that is to increase taxes."
"Men make history and not the other way around. In periods where there is no leadership, society stands still. Progress occurs when courageous, skillful leaders seize the opportunity to change things for the better."
"Medical science has proven time and again that when the resources are provided, great progress in the treatment, cure, and prevention of disease can occur."
"The most important lesson of New Labour is this: Every time we made progress we did it by challenging the conventional wisdom."
"People don't want to believe that technology is broken. Pharmaceuticals, robotics, artificial intelligence, nanotechnology - all these areas where the progress has been a lot more limited than people think. And the question is why."