"I've got two young kids. I don't know what the future holds"

"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"

"The young man knows the rules, but the old man knows the exceptions"

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

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

"The best way to predict the future is to create it"

"Neurotics complain of their illness, but they make the most of it, and when it comes to talking it away from them they will defend it like a lioness her young"

"Young men have a passion for regarding their elders as senile"

"Youth is not a question of years: one is young or old from birth"

"No worse fate can befall a young man or woman than becoming prematurely entrenched in prudence and negation"

"The past is a memory, the future is a fantasy. The real, vibrant, creative moment is now"