Categories Quotes Four things – Omar Ibn Al-Halif Post author By SS Post date January 13, 2015 No Comments on Four things – Omar Ibn Al-Halif “Four things come not back: the spoken word, the spent arrow, the past, the neglected opportunity.” – Omar Ibn Al-Halif Tags Omar Ibn Al-Halif ← Wrong ― Noam Chomsky → Unexpected question – Francis Bacon Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.