sow the seed of
sow the seeds of (something)
1. To do something that ensures a certain outcome in the future, especially an unfortunate or tragic one. They've been sowing the seeds of their own downfall with their anti-consumer practices over the last few years.
2. To cause someone to have certain thoughts or feelings, usually negative ones. The over-zealous policing of opposing opinions has sown the seeds of discontent among the population.
sow the seed (or seeds) ofdo something which will eventually bring about a particular result.
1991 Philip Slater A Dream Deferred Each authoritarian government, groping toward modernization, would thereby sow the seeds of its own destruction.