On the steps of the Federal Building we ran into Carmencita Ibanez, a classmate of ours and one of the nice things about being a member of a race with two sexes.
Robert A. HeinleinNobody has ever seen an electron. Nor a thought. You can't see a thought, you can't measure, weigh, nor taste it- but thoughts are the most real things in the Galaxy.
Robert A. Heinlein