There is no way that we can predict the weather six months ahead beyond giving the seasonal average.

Nothing is fool-proof to a sufficiently talented fool.

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.

I think the next [21st] century will be the century of complexity. We have already discovered the basic laws that govern matter and understand all the normal situations. We don't know how the laws fit together, and what happens under extreme conditions. But I expect we will find a complete unified theory sometime this century. The is no limit to the complexity that we can build using those basic laws.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

The victim should have the right to end his life, if he wants. But I think it would be a great mistake. However bad life may seem, there is always something you can do, and succeed at. While there's life, there is hope.