O mischief, thou art swift to enter in the thoughts of desperate men! – William Shakespeare Category: Temptation
He who is not tempted, what does he know? And he who is not tried, what are the things he knows? Ecclesiasticus – Bible Category: Temptation
The diversity of the phenomena of nature is so great, and the treasures hidden in the heavens so rich, precisely in order that the human mind shall never be lacking in fresh nourishment. – Johannes Kepler Category: Nature