Perhaps it is better to be un-sane and happy, than sane and un-happy. But it is the best of all to be sane and happy. Whether our descendants can achieve that goal will be the greatest challenge of the future. Indeed, it may well decide whether we have any future.

More quotes by Arthur C. Clarke

We'll Never Conquer Space (1960)

Credo (1991)

Maelstrom II (1965)

Multiple Intelligences in Practice : Enhancing Self-esteem and Learning in the Classroom (2006)

Voices from the Sky : Previews of the Coming Space Age (1967)

Quote text and notes from Wikiquote: Arthur C. Clarke (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.