Sayyiduna Fadl bin Abbas (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: Prayer is in sets of two rak‘ahs; in every two rak‘ahs, recite the tashahhud, show humility, adopt submissiveness, and express poverty. Then raise your hands towards your Lord, with the inner part of your palms facing your face, and say: O my Lord! O my Lord! Whoever does not do so, he... (Then the Prophet, peace and blessings be upon him, said something severe about him.)