The paralympian put a picture on his page of Psalm 34 saying 'the Lord is close to the broken hearted'.
The South African also tweeted a prayer asking God to 'bathe those who live in pain in the river of healing'.
The court case in which he's accused of killing his girlfriend Reeva Steenkamp is set to hear closing arguments from the prosecution and defence 7 and 8 August.
He denies murder - claiming he shot through a door after mistaking her for a burglar.