Diplomacy without military might is like music without instruments.

Be more than you seem to be.

To your care and recommendation am I indebted for having replaced a half-blind mathematician with a mathematician with both eyes, which will especially please the anatomical members of my Academy.

All religions must be tolerated ... every man must go to heaven in his own way. [Die Religionen müssen alle toleriert werden ... denn hier muss ein jeder nach seiner Fasson selig werden.]

A man with his heart in his profession imagines and finds resources where the worthless and lazy despair.

Everybody is using coffee. If possible, this must be prevented. My people must drink beer.

A crown is merely a hat that lets the rain in.