Most things, except agriculture, can wait

Let us be a little humble; let us think that the truth may not perhaps be entirely with us.

The purely agitational attitude is not good enough for a detailed consideration of a subject.

Only a prisoner who has been confined for long behind high walk can appreciate the extraordinary psychological value of these outside walks and open views.

Science and technology have freed humanity from many burdens and given us this new perspective and great power. This power can be used for the good of all. If wisdom governs our actions; but if the world is mad or foolish, it can destroy itself just when great advances and triumphs are almost without its grasp.

When you imitate the enemy's tactics, you take on his liabilities.

Evil unchecked grows, evil tolerated poisons the whole system.