"A great source of calamity lies in regret and anticipation; therefore a person is wise who thinks of the present alone, regardless of the past or future"

"A fool's paradise is a wise man's hell!"

"The tiger is a magnificent creature and one that is threatened by human activities on all fronts. It is up to us to protect this iconic species and ensure that it has a future in the wild"

"Let me embrace thee, sour adversity, for wise men say it is the wisest course"

"It is a useless life that is not consecrated to a great ideal. It is like a stone wasted on the field without becoming a part of any edifice"

"Forget the past - the future will give you plenty to worry about"

"Behind every great fortune lies a great crime"

"Be not afraid of greatness: some are born great, some achieve greatness, and some have greatness thrust upon them"

"Men are only as great as they are kind"

"Be wise with speed; a fool at forty is a fool indeed"

"Every time I see an adult on a bicycle, I no longer despair for the future of the human race"