For a general statement of constancy:
* "The sun always rises in the east."
* "She always wears a smile."
* "Time always marches on."
For emphasis on frequency:
* "I always forget where I put my keys."
* "He always gets the best grades."
* "The rain always comes when I'm trying to have a picnic."
For expressing a strong conviction:
* "I always knew you were meant for great things."
* "She always believed in me."
* "He always stood by his principles."
For expressing a desire or intention:
* "I always wanted to travel the world."
* "We always try to be kind to others."
* "He always aims to do his best."
For a more poetic or literary use:
* "The stars always shine, even when we can't see them."
* "Love always finds a way."
* "The truth always comes to light."
To help me give you a better suggestion, tell me:
* What is the context of the sentence?
* What do you want to emphasize?
* What tone are you going for?
Let me know, and I can give you a perfect sentence for "always"!