Donec eris felix, multos numerabis amicos - As long as you are fortunate, you will have many friends (when you are successful, everyone wants to be your friend)
Donna nobis pacem - Grant us peace
Draco dormiens nunquam titillandus - Never Tickle a Sleeping Dragon. (motto of Harry Potter's alma mater)

Dramatis personae

Characters of the play

Duc, sequere, aut de via decede - Lead, follow, or get out of the way
Ducator meus nihil agit sine lagunculae leynidae accedunt - My calculator does not work without batteries
Duco ergo sum - I calculate therefore I am
Dulce bellum inexpertis - War is sweet for those who haven't experienced it. (Pindaros)
Dulce est desipere in loco - It is sweet to relax at the proper time
Dulce et decorum est pro patria mori - It is sweet and glorious to die for one's country. (Horace)