Can you walk on your hands?
CAUTION: although some of the commentaries mentioned may seem "out there", remember it's all written with Ruach HaKodesh (Hayom Yom - 6 Shevat).
Listen to the end for alternate explanation.
How sincere are your intentions? Understanding Eliezer's question to Avraham.
Can you 'have' and 'lack' faith at the same time? Understanding Noach's level of faith and the valuable lesson thereof. 5784 Noach - נֹחַ...