“Any astronaut can tell you you've got to do everything you can to learn about your life support system and then do everything you can to take care of it.”

“With every drop of water you drink, every breath you take, you're connected to the sea. No matter where on Earth you live. Most of the oxygen in the atmosphere is generated by the sea.”

“We have become frighteningly effective at altering nature.”

“I love music of all kinds, but there's no greater music than the sound of my grandchildren laughing; my kids, too.”

“I have heard endlessly that fish are so resilient that there is no way that you could exterminate a species. We are learning otherwise.”

“The best scientists and explorers have the attributes of kids! They ask question and have a sense of wonder. They have curiosity. 'Who, what, where, why, when, and how!' They never stop asking ques...”

“Justice is the only worship.Love is the only priest.Ignorance is the only slavery.Happiness is the only good.The time to be happy is now,The place to be happy is here,The way to be happy is to make...”

“Be a good human.”

“Our country in general assumes that "the pursuit of happiness" really means "the pursuit of pleasure" and that therefore pleasure is the greatest good.”

“Who will bear witness to these small islands and oases of wildness as land is divided and sold to become strip malls, housing developments,and parking lots? What happens to the natural history here...”

“Inhabitants of urban industrial cultures have no point of contact with grain, chickens, cows, or, for that matter, with topsoil. We have no basis of experience to outweigh the arguments of politica...”

“The reality is gas prices should be much more expensive then they are because we're not incorporating the true damage to the environment and the hidden costs of mining oil and transporting it to th...”

“I wish you could be kissed, Jane,' he said. 'Because I would beg just one off you. Under all this.' He flailed an arm toward the stars.”

“The blue of the sky is one of the most special colors in the world, because the color is deep but see-through both at the same time.”

“Is this thing safe?""Safe as life," Gansey replied.”