Saturn represents contraction and effort.
Saturn in Sagittarius
He has his own way of thinking about a subject, he has his own ideas about things. He respects society and its rules guide his conduct.
Weaknesses: hard, unforgiving, rigorous, insensitive and sometimes inhuman. A limited and narrow mind.
Saturn in V
He likes method, calculation, concentration. He is not drawn towards amusements, or pleasure in general. He has few friends, but has deep and sincere feelings. He is serious in everything.
66 Trine Saturn - Uranus
He knows how to be on top of the situation. He perseveres, is determined but ingenious and original. He is very practical. He proceeds slowly, but is always bound to achieve his objectives in the end.