“I believe there is an explanation for everything - although we shall never know the explanation for everything. Not everything in this world can be understood by us, nor should it be. It is not necessary.”

“And it is a fact an absolute fact that there are creatures on the surface of this earth that have never been studied by man . . . There are other worls - worlds within this world - that we can only begin to imagine. We may think we have seen all that there is to be seen on this tiny planet of ours. We most certainly have not - and perhaps never shall.”

“Many eyes are watching you, and many hearts are wary of your presence”

“Your objective should always be to eliminate instructions entirely by making everything self-explanatory, or as close to it as possible. When instructions are absolutely necessary, cut them back to a bare minimum.”

“With one kind gesture you can change a life. One person at a time you can change the world. One day at a time we can change everything.”

“There is a rational explanation for everything, regardless of whether that explanation is known.”

“Human beings always want explanations. They have to know everything about everything and they have to know it immediately.”