Then, as his planet killed him, it occurred to Kynes that his father and all the other scientists were wrong, that the most persistent principles of the universe were accident and error.

If you rely only on your eyes, your other senses weaken.

If I'd been born in my grandfather's time, I'd have made my grandfather's mistakes. Theres no doubt of it. I just don't want to make my grandfather's mistakes today.

Men always fear things which move by themselves.

Power attracts the corruptible. Suspect all who seek it ... We should grant power over our affairs only to those who are reluctant to hold it and then only under conditions that increase that reluctance.

All men seek to be enlightened. Religion is but the most ancient and honorable way in which men have striven to make sense out of God's universe. Scientists seek the lawfulness of events. It is the task of Religion to fit man into this lawfulness.

the sleeper must awaken.