"Every sunset is a reminder that the river of time shapes the stones of destiny."

"A mother's happiness is like a beacon, lighting up the future but reflected also on the past in the guise of fond memories."

"It is a enduring truth that to speak the truth in a season of deceit is an act of supreme bravery — an essential principle for the reflective life."

"It is a profound truth that love is the bridge that unites two souls across the chasms of mortal solitude."

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

"The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms."

"The harmony of the universe dictates that the melody of life is composed of both highs and lows."

"Of course in science there are things that are open to doubt and things need to be discussed. But among the things that science does know, evolution is about as certain as anything we know."