Pānyán shí yào zhǎo hǎo lìzúdiǎn zài jìxù xiàng shàng.
When rock climbing, find a solid foothold before continuing upward.
Tips
memory
立 = to stand, 足 = foot, 点 = point. A '立足点' is literally 'the point where your foot stands' — a foothold. Used both literally (climbing) and figuratively (establishing a position or base).