Only six need be attempted.

They must often change, who would be constant in happiness or wisdom. Those who continually search for happiness will never find it. Happiness is made, not found. To be without some of the things you want is an indispensable part of happiness.

Machines are worshipped because they are beautiful and valued because they confer power; they are hated because they are hideous and loathed because they impose slavery.

Belief in God and a future life makes it possible to go through life with less of stoic courage than is needed by skeptics.

Dogmatism is the greatest of mental obstacles to human happiness.

No man is liberated from fear who dare not see his place in the world as it is; no man can achieve the greatness of which he is capable until he has allowed himself to see his own littleness.

Orthodoxy is the grave of intelligence, no matter what orthodoxy it may be.