Tautology

Tautology is a programming language in which all of the programs and input evaluate to true. It is not Turing complete.

Implementation

It is implemented in C++:

 #include <iostream>
 using namespace std;
 int main()
   {char x[65535];
   while(1){cout << "> ";cin >> x;cout << "True\n";} //Takes an input and outputs true
   return 0;}