"The scientific method is a powerful tool, but it is not the only way to gain knowledge."

"If you are hungry, you can eat a carrot. If you are thirsty, you can drink water. If you are cold, you can put on a coat. But what do you do if you are lonely?"

"The world is a symphony, and we are the instruments."

"The world is not 'out there' independent of our consciousness. It is a construction of our minds."

"Even if I should be right in this, I do not know whether my way of approach is really the best and simplest. But, in short, it was mine."