Adam invented love at first sight, one of the greatest labor-saving machines the world ever saw.

It's not only the most difficult thing to know one's self, but the most inconvenient.

Pity costs nothing, and it ain't worth nothing.

Most men had rather say a smart thing than do a good one. John P. Kotter, Leading Change.

If you would make yourself agreeable wherever you go, listen to the grievances of others but never relate your own.

If a man is right, he can't be too radical; if he is wrong, he can't be too conservative.

Seneca devoted much of his time to writing essays in praise of poverty, and in lending money at usurious rates.