Thinking is by far the most underrated activity. People consider it "unproductive" to sit on a bench and think. So they spend their lives doing things they never thought through. An hour of clear thinking, can yield a conclusion that changes your life.

Johnny Uzan

Do not let the behavior of others destroy your inner peace.

Dalai Lama

Looking deeper, we could say that the real cause of suffering is not being able to tolerate uncertainty—and thinking that it's perfectly sane, perfectly normal, to deny the fundamental groundlessness of being human.

Pema Chödrön

The great secret of true success, of true happiness, is this: the man or woman who asks for no return, the perfectly unselfish person, is the most successful.

Swami Vivekananda

Everything alters me, but nothing changes me.

Salvador Dalí

You study, you learn, but you guard the original naivete.

Henri Matisse