Homo proponit, sed Deus disponit

Learned the origin of this Latin proverb today (if the source is correct): Thomas à Kempis, who is best known for his book Of the Imitation of Christ. Interestingly, Chinese also has a similar proverb: mou2 shi4 zai4 ren2, cheng2 shi4 zai4 tian1.

This webpage has more Latin phrases to keep me busy learning.

UPDATE: Corrected the typo in the title