Isaiah 35:3-4

35:3 Strengthen the hands that have gone limp,

steady the knees that shake!

35:4 Tell those who panic,

“Be strong! Do not fear!

Look, your God comes to avenge!

With divine retribution he comes to deliver you.”

Daniel 5:6

5:6 Then all the color drained from the king’s face and he became alarmed. The joints of his hips gave way, and his knees began knocking together.

Hebrews 12:12

12:12 Therefore, strengthen your listless hands and your weak knees,