Thought precedes action, action does not always precede thought.

Insurrection of thought always precedes insurrection of arms.

Action cures fear, inaction creates terror.

Thought and theory must precede all salutary action; yet action is nobler in itself than either thought or theory.

The deductive reasons for a course of action usually follow rather than precede the course of action. Thought follows life.

Hype tends to precede the reality in biotech, but the reality does follow. Usually.