"Allah's Messenger said to me: 'O Ali! I love for you what I love for myself, and I dislike for you what I dislike for myself. Do not squat between prostrations.'"
Jami` at-Tirmidhi Book 2, Hadith 134
← Previous Hadith "When we performed Salat behind Allah's Messenger, he would raise his head from bowing, and no man among us would bend his back until Allah's Messenger prostrated, then we prostrated."

Jami` at-Tirmidhi Book 2, Hadith 133 Next Hadith → "We asked Ibn Abbas about squatting (sitting) on the heels. He said: 'It is the Sunnah.' We said: 'We think that it is difficult for a man.' He said: 'Rather, it is Sunnah of your Prophet.'"

Jami` at-Tirmidhi Book 2, Hadith 135