Sigourney Weaver says she kept in touch with Koko the gorilla after filming Gorillas in the Mist.

"One day, Koko turned to me and said 'Do you know, in Sanskrit the root of the verb "to be" is the same as "to grow" or "to make grow?'. I just think that's beautiful."

(Source: https://tinyurl.com/4p37mwsy)