Carl Sagan Time Quotations

In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with Annie.

To read is to voyage through time.

If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.

We are like butterflies who flutter for a day and think it is forever.

Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage - at the very least the courage to question the conventional wisdom.

The understanding of the intent of the artist which I can achieve when high sometimes carries over to when I’m down. This is one of many human frontiers which cannabis has helped me traverse.

For a long time the human instinct to understand was thwarted by facile religious explanations.