From the list of actions; words, thoughts, reality and perception, what comes first is thought.
- Thought: This is an idea or opinion created in the mind, rather than the perceived through the five senses.
- Perception: It is detected by the five senses. They are not necessarily understood. It can also be detected within consciousness as a thought, intuition, or deduction.
- Words: This is a fact or be an act of speaking, as opposed to taking action. Something which has been said; a comment, utterance or speech
- Reality: This is a state of being actual or real
Therefore, what comes first from the list is thoughts
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