Within a few decades...the United States might get 30% of its electricity from sunshine.

The real potential of electricity lies not in providing social amenities but in stimulating long-term economic development

Urgency and vision are the twin pillars on which humanity's hope now hangs.

The challenge now is to renovate the baroque structure that the Kyoto Plan has become—or else scrap it and get ready to start all over.

The bottom of the oil barrel is now visible.

Already, China's world-leading solar industry provides water heating for 35 million buildings, and India's pioneering use of rainwater harvesting brings clean water to tens of thousands of homes.

We must have courage to bet on our ideas, to take the calculated risk, and to act. Everyday living requires courage if life is to be effective and bring happiness.

Money might be a reward (by-product) but should not always be the only goal of your efforts and enterprise.

There is no effort in time wasted by remembering the truth. A lie requires an effort of life and wasted time to remember because one lie tends to become a lifestyle that destroys.

Only three constants are significant for star formation: the gravitational constant, the fine structure constant, and a constant that governs nuclear reaction rates.

I am free of all prejudices. I hate everyone equally.

fantasizing is one of the earliest languages in the child's mind. We are in touch with our imagination and dreams before we engage with logic and reason.

The real beggar is indeed the true and only king.

I think the world of you...and you know what condition the world is in today.

the art of reading hardly differs from the art of writing, in that its most intense pleasures and pains must remains private, and cannot be communicated to others.

It had been wishful thinking, plain and simple, dangerous for me to indulge in. Hope, happiness and freedom were not in my future.