As for omens, there is no such thing as an omen. Destiny does not send us heralds. She is too wise or too cruel for that.
Wisdom comes with winters
To look at a thing is very different from seeing it.
You can fake intelligence, but you can't fake wit.
It is a curious fact that people are never so trivial as when they take themselves seriously
To toil for a hard master is bitter, but to have no master to toil for is more bitter still.