"Books are the quietest and most constant of friends."

Sustainability isn't a trend—it's a responsibility we owe to future generations.

"The true measure of a scientist's worth is not in the accolades received, but in the impact of their work on the world."

The deepest need of man is the need to overcome his separateness, to leave the prison of his aloneness.

The pursuit of knowledge is a lifelong journey.

The more you love, the more you lose.