Wise Words: Carl Sagan: voyage

One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.

Wise Words: Carl Sagan: precious

Every one of us is precious in the cosmic perspective. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.

Wise Words: Carl Sagan: judgment

Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgment, the manner in which information is collected and used.

Wise Words: Carl Sagan

If you wish to make an apple pie truly from scratch, you must first invent the universe.