"Today, I have signed a letter to Congress to make clear that if they send any legislation to my desk that weakens the protection of human life, I will issue a veto. And, we have the support to uphold those vetoes. Every child is a sacred gift from God."
Source: President Donald Trump, speech to the March for Life rally, 1/18/19, https://www.lifenews.com/2019/01/18/president-donald-trump-tells-march-for-life-i-will-veto-any-bill-that-promotes-abortion/ (Accessed 1/23/19. Article includes complete text of President Trump's speech.)