In the morning sow your seed, and at evening do not let your hand be idle: For you do not know which of the two will be successful, or whether both alike will turn out well. Poem on Youth and Old Age.
He spoke to them another parable. “The kingdom of heaven is like yeast that a woman took and mixed with three measures of wheat flour until the whole batch was leavened.” The Use of Parables.
Amen, amen, I say to you, unless a grain of wheat falls to the ground and dies, it remains just a grain of wheat; but if it dies, it produces much fruit.