Problems are not stop signs, they are guidelines.
Do not weep do not wax indignant. Understand.
Begin to be now what you will be hereafter.
It's always too early to quit.
Wherever you are - be all there.
If you're going through hell, keep going.
I can, therefore I am.
Be thine own palace, or the world's thy jail.
The wise does at once what the fool does at last.
Know or listen to those who know.
Fullness of knowledge always means some understanding of the depths of our ignorance and that is always conducive to humility and reverence.