Youth is wasted on the young.

If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.

I would like to take you seriously, but to do so would be an affront to your intelligence.

A little learning is a dangerous thing, but we must take that risk because a little is as much as our biggest heads can hold.

Mom developed an interest in 'heritage-language education after noticing an increasing number of students in her UCLA classes whose parents were Russian.

Exploring and colonizing Mars can bring us new scientific understanding of climate change, of how planet-wide processes can make a warm and wet world into a barren landscape. By exploring and understanding Mars, we may gain key insights into the past and future of our own world.

The main purpose of science is simplicity and as we understand more things, everything is becoming simpler.

You should only go into science if you really have a yearning to make scientific discoveries.