Again, during a sacrifice, the augur Spurinna warned Caesar that the danger threatening him would not come later than the Ides of March. Suetonius
The three rules of the Librarians of Time and Space are 1) Silence 2) Books must be returned no later than the date last shown and 3) Do not interfere with the nature of causality. Terry Pratchett
Preparation for old age should begin not later than one's teens. A life which is empty of purpose until 65 will not suddenly become filled on retirement. Dwight L. Moody
Undeserved praise causes more pangs of conscience later than undeserved blame, but probably only for this reason, that our power of judgment are more completely exposed by being over praised than by being unjustly underestimated. Friedrich Nietzsche
It is never later than midnight. Myanmar Proverb
Enjoy yourself - it's later than you think. Chinese Proverb