All of things are tools for a being to recognize itself!

Time. Space. Buddha. Bodhisattva. Letters. Words. Infinite life. Dimensions! All are tools for a being to recognize itself!
The being creates a system for self-recognition.
In which time goes by past to future, and space is created infinitely, Evolution occurs, human being, letter, language, alternation of generation, it is the system of life—the universe.