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.”

Hebrews 10:24

10:24 And let us take thought of how to spur one another on to love and good works,

Hebrews 12:12-13

12:12 Therefore, strengthen your listless hands and your weak knees, 12:13 and make straight paths for your feet, so that what is lame may not be put out of joint but be healed.