Success comes from curiosity, concentration, perseverance and self-criticism.
I never teach my pupils; I only attempt to provide the conditions in which they can learn.
Order is needed by the ignorant but it takes a genius to master chaos.
Imagination is everything.
I am thankful to all who said no to me. It is because of them that I'm doing it myself.
Each of us is here for a brief sojourn, for what purpose he knows not, though sometimes he thinks he feels it.