Rumi

“I learned this, at least, by my experiment: that if one advances confidently in the direction of his dreams, and endeavors to live the life which he has imagined, he will meet with a success unexpected in common hours.”
― Henry David Thoreau, Walden: Or, Life in the Woods

“An expert is a person who has made all the mistakes that can be made in a very narrow field.”
― Niels Bohr

“It is better to remain silent at the risk of being thought a fool, than to talk and remove all doubt of it.”
― Maurice Switzer, Mrs. Goose, Her Book

“Good friends, good books, and a sleepy conscience: this is the ideal life.”
― Mark Twain