From Matthew Henry's commentary on Daniel 7:
"Note, It [sic] concerns God's prophets and ministers to treasure up the things of God in their minds, and there to digest them well. If we would have God's word ready in our mouths when we have occasion for it, we must keep it in our hearts at all times."
"Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal: But lay up for yourselves treasure in heaven, where neither moth nor rust doth corrupt, and where thieves do not break through nor steal: For where your treasure is, there will your heart be also," (Matt. 6:19-21).