Never lend books, for no one ever returns them; the only books I have in my library are books that other folks have lent me. - Anatole France

Man is so made that he can only find relaxation from one kind of labor by taking up another.

Night hung its blue over the garden. Satan fell asleep. He had a dream, and in that dream, soaring over the earth, he saw it covered with angels in revolt, beautiful as gods whose eyes darted lightning. And from pole to pole one single cry, formed of a myriad cries, mounted towards him, filled with hope and love. And Satan said: "Let us go forth! Let us seek the ancient adversary in his high abode." And he led the countless host of angels over the celestial plains. And Satan was cognizant of what took place in the heavenly citadel. When news of this second revolt came thither, the Father said to the Son: "The irreconcilable foe is rising once again. Let us take heed to ourselves, and in this, our time of danger, look to our defences, lest we lose our high abode." And the Son, consubstantial with the Father, replied: "We shall triumph under the sign that gave Constantine the victory."

Awaken people's curiosity. It is enough to open minds, do not overload them. Put there just a spark.