The last part, the part you're now approaching, was for Aristotle the most important for happiness.

The most important part of teaching is to teach what it is to know.

Feel is the most perplexing part of golf, and probably the most important.

The most important issue is clearly not the quality of treatment and care of these prisoners; rather it is the perplexing issue of what we now do with them.

The most important part of education is proper training in the nursery.

Tone is often the most important part of a conversation - and listening is so much more important than what you say.