The world we have created is a product of our thinking.
Insanity: doing the same thing over and over again and expecting different results.
Long live impudence. It was my guardian angel in this world.
Love is a better teacher than duty.
Striving for peace and preparing for war are incompatible with each other, and in our time more so than ever.
The emotional state that leads to achievements resembles that of a worshiper or the lover.