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

"The man is happiest who lives from day to day and asks no more, garnering the simple goodness of life"

"There is more to life than increasing its speed"

"The happiness of your life depends upon the quality of your thoughts; therefore guard accordingly"

"Great effort from great motives is the best definition of a happy life"

"It is a useless life that is not consecrated to a great ideal. It is like a stone wasted on the field without becoming a part of any edifice"

"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"

"There is a tide in the affairs of men, Which taken at the flood, leads on to fortune. Omitted, all the voyage of their life is bound in shallows and in miseries. On such a full sea are we now afloat. And we must take the current when it serves, or lose our ventures"

"Life without love is like a tree without blossoms or fruit"

"Life yields only to the conqueror. Never accept what can be gained by giving in. You will be living off stolen goods, and your muscles will atrophy"

"There are two good things in life - freedom of thought and freedom of action"