Thinking about the alarming rate of suicide cases which lately became on the increase in some parts of the world; most of which were connected to depression. David in the Bible was at some point in his life depressed, but it never led to suicide. Rather, he cheered himself up (Psalms 42:5).
5 Why art thou cast down, O my soul? and why art thou disquieted in me? hope thou in God: for I shall yet praise him for the help of his countenance.