Do not be deceived! The busiest people harbor the greatest weariness, their restlessness is weakness--they no longer have the capacity for waiting and idleness.
Friedrich NietzscheWhen a man reaches his maturity in understanding and in years, the feeling comes over him that his father was wrong to beget him.
Friedrich NietzscheMathematics would certainly have not come into existence if one had known from the beginning that there was in nature no exactly straight line, no actual circle, no absolute magnitude.
Friedrich Nietzsche