A man who dares to waste one hour of time has not discovered the value of life.
If a man’s wit be wandering, let him study the mathematics.
Physics is like sex: sure, it may give some practical results, but that’s not why we do it.
Our feeblest contemplations of the Cosmos stir us — there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries.