The most fundamental question we can ever ask ourselves is whether or not the universe we live in is friendly or hostile.

The leader is one who, out of the clutter, brings simplicity... out of discord, harmony... and out of difficulty, opportunity.

The really valuable method of thought to arrive at a logically coherent system is intuition.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

Everything what's inspiring has been created by one who could work in freedom

Time does not exist - we invented it

The problems that exist in this world can not be solved by the level of thinking that created them.