"Women are extremely important shapers of my own life"

"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"

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

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

"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"

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

"The best things in life are unexpected - because there were no expectations"

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

"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"

"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"