1 Corinthians 1:23-24

to the Jews indeed a stumbling-block, and to the Greeks foolishness; but to them that are called,

Revelation 2:17

Let him, that hath an ear, hear what the Spirit saith unto the churches. To him that overcometh will I give to eat of the hidden manna: and I will give him a white stone, and on the stone a new name written, which no one knoweth, but He that receiveth it.

Treasury of Scripture Knowledge

Summary

And the manna was as coriander seed, and the colour thereof as the colour of bdellium.

Bible References

The manna

1 Corinthians 1:23
to the Jews indeed a stumbling-block, and to the Greeks foolishness; but to them that are called,
Revelation 2:17
Let him, that hath an ear, hear what the Spirit saith unto the churches. To him that overcometh will I give to eat of the hidden manna: and I will give him a white stone, and on the stone a new name written, which no one knoweth, but He that receiveth it.