If a man should ascend alone into heaven and behold clearly the structure of the universe and the beauty of the stars, there would be no pleasure for him in the awe-inspiring sight, which would have filled him with delight if he had had someone to whom he could describe what he had seen. Nature abhors solitude.

To be ignorant of what occurred before you were born is to remain always a child. For what is the worth of human life, unless it is woven into the life of ancestors' by the records of history?