The more you know about the past, the better prepared you are for the future.
Dinosaurs are the goliaths of history.
Life will find a way.
The present is the key to the past.
The ultimate arbiter of the evolutionary fate of a species is the environment.
The dinosaurs became extinct because they didn't have a space program.
Extinction is the rule. Survival is the exception.
The dinosaurs are gone, and we’re not going to bring them back.
Dinosaurs are the greatest mystery of the planet's history.
The Earth has a history of climates changing, and there are times when there are no glaciers at all and other times when glaciers dominate the globe.
Dinosaurs were the dragons of the real world.
The past is a foreign country: they do things differently there.
Dinosaurs are the epitome of evolution in action.
Dinosaurs were the first and greatest empire of life on Earth.
Dinosaurs were the only species on the planet for 150 million years; they were the rulers of Earth.
The dinosaurs' long tenure had ended, and the mammals had taken over.
The dinosaurs' extinction was not an inevitable event, but rather a stroke of bad luck.
The history of life on Earth is written in extinction.