Don't give up your power to change things. Negativity and unhappiness are caused by you. You can change your attitude.

. . . I feel we don’t really need scriptures. The entire life is an open book, a scripture. Read it. Learn while digging a pit or chopping some wood or cooking some food. If you can’t learn from your daily activities, how are you going to understand the scriptures? (233)

We can be serene even in the midst of calamities and, by our serenity, make others more tranquil.

God knows your breaking point. You simply don’t know your own strength.

[O]ur own bodies are changing every second. Yet we take the body to be our Self; and, speaking in terms of it, we say, “I am hungry” or “I am lame”; “I am black” or “I am white.” These are all just the conditions of the body. We touch the truth when we say, “My body aches,” implying the body belongs to us and that therefore we are not that. (87)

[T]he period between four and six in the morning is called the Brahmamuhurta, the Brahmic time, or divine period, and is a very sacred time to meditate. (140)

Though we can't always see it at the time, if we look upon events with some perspective, we see things always happen for our best interests. We are always being guided in a way better than we know ourselves.