"And as he sat upon the mount of
Olives, the disciples came unto him
privately, saying, Tell us, when shall
these things be? and what shall be the
sign of thy coming, and of the end of
the world?"
Matt.24:3

"And Jesus answered and said unto
them, Take heed that no man deceive
you. For many shall come in my name,
saying, I am Christ; and shall deceive
many. And ye shall hear of wars and
rumours of wars: see that ye be not
troubled: for all these things must
come to pass, but the end is not yet."

Here Jesus was saying that there will
be some things that will be in the
world at all times. They will exist but
not bring in the Tribulation period.