Carpe diem will someday die. It is medieval Latin, dating to 1287. Related but distinct is the expression "memento mori" (remember that you are mortal) which carries some of the same connotation as . For Horace, mindfulness of our own mortality is key in making us realize the importance of the moment. "Remember that you are mortal, so seize the day." Over time the phrase also came to be associated with penitence, as suggested in many vanitas paintings. Today many listeners will take the two phrases as representing almost opposite approaches, with urging us to savour life and urging us to resist
Per diem holds that such employment is "indefinite", regardless of any other facts or circumstances. Any tour of duty adding up to over 500 miles counts as a per diem. One can claim up to the per diem limit without receipts. Note also that as long as you keep a record of the amount spent and the date of the expense, then you do NOT need a receipt for any expense less than $75. The US military pays its members per diem in accordance with the Joint Federal Travel Regulations. According to these regulations, the first and last days of travel are