Not all naturally occurring phenomenon can or should be interpreted as signs or omens. That said, Wolf can be interpreted as being the "Teacher". Having one cross your path may signify that it is time for you to seek out a bit of solitude to do some "serious thinking". You have the answers to your personal questions within you, it is only necessary for you to silence the hassle-bustle of the world around you in order to hear that inner voice.
It has no particular significance
It doesn't mean a thing.
You can walk on clouds
I dont know but it happened to me
good luck to me i think
There is no symbolic significance to a fox crossing one's path.
Nothing. It means you saw a frog.
The superstition is your in for bad luck if a black cat crosses your path.
There are a few different meanings for a turkey crossing your path. One interpreted meaning of a turkey crossing your path is luck.
Stay focused on your goals.
Neptune sometimes crosses the path of the dwarf planet Pluto.
Not all naturally occurring phenomenon can or should be interpreted as omens. If you have seen a white wolf in the woods, you are quite lucky, White is not a common colour for wild wolves. If you have seen a white wolf in the city, it would more likely be a sign of an extremely bad or harsh winter. Wolves do not commonly come into cities. If you have seen a white wolf in your dreams, or on a vision-quest, there are a number of interpretations. Wolf is the Teacher, there may be lessons you need to learn. Wolf maybe there to guide you to them.