"Make software that you want to use and that you would want to use often. As long as you are making something that you want to use, then your heart will be in it."

"Knowing trees, I understand the meaning of patience. Knowing grass, I can appreciate persistence."

"Of writing well the source and fountainhead is wise thinking."

"A diet is when you watch what you eat and wish you could eat what you watch."

"Temper is a weapon that we hold by the blade."

"Every child is an artist. The problem is how to remain an artist once he grows up."

"I have learned to use the word impossible with the greatest caution."

"Our thoughts are free."

"Beware of dissipating your powers; strive constantly to concentrate them. Genius thinks it can do whatever it sees others doing, but is sure to repent of every ill-judged outlay."

"It is not in the stars to hold our destiny but in ourselves."