This quote is written / told by Yoshiro Mori somewhere between July 14, 1937 and today. He/she was a famous author.
The author also have 3 other quotes.
"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"
"Don't lower your expectations to meet your performance. Raise your level of performance to meet your expectations. Expect the best of yourself, and then do what is necessary to make it a reality"