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I make enemies everyday
it's called business
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RECENT QUOTES
POPULAR QUOTES
POPULAR TOPICS
Love
Motivational
Life
Inspirational
Wisdom
Funny
Positive
Money
Memes
Alone
Dreams
More topics
POPULAR AUTHORS
QuotesBook
Maya Angelou
Albert Einstein
William Shakespeare
Pablo Picasso
Aristotle
John Lennon
George R.R. Martin
Carol Burnett
Mother Teresa
Mahatma Gandhi
More authors
Quotes by C. Sagan
American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. November 9, 1934 – December 20, 1996
Science is a way of thinking