The scythe is associated with the harvest of grain and in connection with this symbolizes a number of concepts. One such concept is designated by the Sanskrit term karma, which is sometimes described as justice or even as cause and effect. It is that idea of reaping what one sows, whether for good or ill. It is expressed biblically by St. Paul who said, "Do not be deceived: God cannot be mocked. People reap what they sow. Those who sow to please their sinful nature, from that nature will reap destruction; those who sow to please the Spirit, from the Spirit will reap eternal life. Let us not become weary in doing good, for at the proper time we will reap a harvest if we do not give up." (Galatians 6:7, 8)
The scythe is a traditional emblem of death, and is the implement carried by the Grim Reaper, the personification of death. It is also a traditional emblem of time, and is the implement carried by Father Time. Both of these associations relate to the cutting down of cereal grains with the scythe at harvest time, once the plants have lived long enough for the grains to come to full maturity.