"One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it."
"Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning."
Albert Einstein on Hope"We must accept finite disappointment, but never lose infinite hope."
Martin Luther King, Jr. on Hope"None are more hopelessly enslaved than those who falsely believe they are free."
Johann Wolfgang von Goethe on Hope"My great hope is to laugh as much as I cry to get my work done and try to love somebody and have the courage to accept the love in return."
Maya Angelou on Hope"I find hope in the darkest of days, and focus in the brightest. I do not judge the universe."
Dalai Lama on Hope"Geological change usually takes thousands of years to happen but we are seeing the climate changing not just in our lifetimes but also year by year."
"I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change. The inertia of humans is so huge that you can't really do anything meaningful."
"If we gave up eating beef we would have roughly 20 to 30 times more land for food than we have now."
"I'm a scientist, not a theologian. I don't know if there is a God or not. Religion requires certainty. Revere and respect Gaia. Have trust in Gaia. But not faith."
"If we gave up eating beef we would have roughly 20 to 30 times more land for food than we have now."