Who said "Patience gives birth to good things."?

Swahili proverb. Source: Taylor, African Aphorisms (1891), no. 499.

What is the original Swahili?

Subira huvyaa mwana mwema. Translated from the original Swahili by Spartan Surfers.

Patience gives birth to good things.

Swahili proverb, Taylor, African Aphorisms (1891), no. 499

The source

"Patience gives birth to good things." This Swahili proverb is recorded in Taylor, African Aphorisms (1891), no. 499. Translated from the original Swahili by Spartan Surfers.

"Subira huvyaa mwana mwema."

Original Swahili, Taylor, African Aphorisms (1891), no. 499. Swahili: W. E. Taylor, African Aphorisms (1891), archive.org; meaning checked against Taylor's English.

Who said it

Proverbs of the world (Every age). Sayings from the Latin, Greek, Norse, Japanese, Chinese and more, each traced to an old source in its own language.

Questions

Who said "Patience gives birth to good things."?: Swahili proverb. Source: Taylor, African Aphorisms (1891), no. 499.
What is the original Swahili?: Subira huvyaa mwana mwema. Translated from the original Swahili by Spartan Surfers.