The greatest weakness of most humans is their hesitancy to tell others how much they love them while they're still alive.
Source: In The Ultimate Success Quotations Library, 1997.
-- Orlando A Battista, (Jun 20 1917-1995), Canadian-American chemist, author; A devoutáCatholic, he was notable in his writing for not shying away from advertising his religious beliefs as well as his scientific ones.