All the material wealth cannot be substituted for the spiritual, physical, emotion and mental well-being. - Lailah Gifty Akita
Sometimes I feel that what used to be once casual conversations between friends are now being substituted with forced conversations containing none of the warmth it possessed earlier. It's better to not have any conversation at all than have forced conversations. - Adhish Mazumder
I realized that the "thing" and the "concept" were substituted for feeling and understood the falsity of the world of will and idea - Kazimir Malevich
Substitution is a true test of strength. The real performance of a player is seen not only during playing time but also and more especially when the player is substituted. - Ernest Agyemang Yeboah
Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. - Nikola Tesla