What are the conditions of 'La ilaha illallah' (knowledge, certainty, etc.)?

This answer explains seven essential conditions for the word of Tawhid, "La ilaha illa Allah" (There is no god but Allah):

1. Knowledge ('Ilm): Knowing its meaning in terms of negation and affirmation, in a way that negates ignorance.

2. Certainty (Yaqin): Firm belief in its implications without doubt or suspicion.

3. Acceptance (Qabul): Accepting what it necessitates with the heart and tongue, and not rejecting it or showing arrogance towards it.

4. Submission (Inqiyad): Submitting to what it signifies and obeying its commands.

5. Truthfulness (Sidq): Uttering it truthfully from the heart, such that the tongue conforms to the heart.

6. Sincerity (Ikhlas): Purifying one's actions from the blemishes of polytheism and unifying one's intention for Allah.

7. Love (Mahabbah): Loving this word and what it signifies, loving its people who act upon it, and hating what contradicts it.