"The most important and urgent appeal we have to make is for an immediate cease-fire. Initial reports from the cease-fire talks being held in N'Djamena in Chad are not very encouraging"

"In thinking about nanotechnology today, what's most important is understanding where it leads, what nanotechnology will look like after we reach the assembler breakthrough"

"While there's been much progress on terrorism, there's still much work to do and it is very important that the countries work together in order to address this threat together"

"Life is far too important a thing ever to talk seriously about"

"I think it's important to do great work"

"I think self-awareness is probably the most important thing towards being a champion"

"We should so provide for old age that it may have no urgent wants of this world to absorb it from meditation on the next. It is awful to see the lean hands of dotage making a coffer of the grave"

"It's important that people know what you stand for. It's equally important that they know what you won't stand for"

"In these times of the 'Great Recession', we shouldn't be trying to shift the benefits of wealth behind some curtain. We should be celebrating and encouraging people to make as much money as they can. Profits equal tax money. While some people might find it distasteful to pay taxes, I don't. I find it patriotic"

"I think the concept of the sea is very important"

"Mathematics are the result of mysterious powers which no one understands, and which the unconscious recognition of beauty must play an important part. Out of an infinity of designs a mathematician chooses one pattern for beauty's sake and pulls it down to earth"