First Species Quotes
- We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are the first species… — Carl Sagan
- We are the first species to have taken our evolution into our own hands. — Carl Sagan
- Humans are remarkable: the first species in almost four billion years of life on earth that dominates the biosphere. This gives us the power, in… — David Christian