Nothing is sufficient for one to whom the sufficient is not enough. –Epicurus
Look upon thy mind alone as the ocean of existence. –Lal Ded
It is good to tame the mind, which is difficult to hold in and flighty, rushing wherever it listeth; a tamed mind brings happiness. –Buddha
Ah, my beloved, fill the cup that clears
Today of past regrets and future fears:
Tomorrow—Why, Tomorrow I may be
Myself with yesterday's seven thousand years.
– Omar Khayyam
"There is no remembrance of former things; neither shall there be any remembrance of things that are to come with those that shall come after." – Ecclesiastes
Silence is the beginning of understanding. –Lucy Mallory
Keep death daily before one's eyes. –St. Benedict
"To know and yet think we do not know is the highest attainment; not to know and yet think we do know is a disease." – Lao Tzu
"All my days I have grown up amongst the wise, and have not found aught good for a person but silence."
– Pirkei Avot