How posterity will laugh at us, one way or other! If half a dozen break their necks, and balloonism is exploded, we shall be called fools for having imagined it could be brought to use: if it should be turned to account, we shall be ridiculed for having doubted.
Horace Walpole, Peter Cunningham (1858). “The Letters of Horace Walpole, Earl of Oxford”, p.562