Mark 4:18-19 (NIV)
18Still others, like seed sown among thorns, hear the word;
19but the worries of this life, the deceitfulness of wealth and the desires for other things come in and choke the word, making it unfruitful.
Proverbs 12:25 (ESV)
Anxiety in a man’s heart weighs him down, but a good word makes him glad.