"It is wise to buy acquaintances, but foolish to buy friends."
- Matshona Dhliwayo
"Teach the ignorant. Study the wise. Avoid the foolish. Embrace the enlightened."
"At ten, you are foolish. At twenty, you are naive. At thirty, you are alert. At forty, you are experienced. At fifty, you are wise."
"A shrewd enemy will teach you more than a foolish friend."
"The most difficult door to open is the entrance to an ignorant mind."
"Only fools are born wise."
"The lowest wisdom of the wise is greater than the highest wisdom of fools."
"Any fool can marry, but only the wise live happily ever after."