Indians have used mustard seeds and almonds in their food for over two thousand years.The French have used mustard seeds as a spice since 800 AD, and it was amongst spices taken by the Spanish on explorations throughout the fifteenth century. Gautama Buddha told the story of the grieving mother (Kisa Gotami) and the mustard seed. When a mother loses her only son, she takes his body to the Buddha to find a cure. The Buddha asks her to bring a handful of mustard seeds from a family that has never lost a child, husband, parent or friend. When the mother is unable to find such a house in her village, she realizes that death is common to all, and she cannot be selfish in her grief.
In the Quran, Allah states that the scales of justice will be established on the Day of Judgment, and no soul will suffer the least injustice. Even the equivalent of a mustard seed will be accounted for because God is the most efficient reckoner.Jewish texts compare the knowable universe to the size of a mustard seed to demonstrate the world’s insignificance and to teach humility.
In the Christian New Testament, the mustard seed is used by Jesus as a model for the kingdom of God which initially starts small but grows to be the biggest of all garden plants. Faith is also spoken about in the context of a mustard seed.