Lacking an external focus, the mind turns inward on itself and creates problems to solve, even if the problems are undefined or unimportant. If you find a focus, an ambitious goal that seems impossible and forces you to grow, these doubts disappear.
Tim FerrissI'll repeat something you might consider tattooing on your forehead: What we fear doing most is usually what we most need to do.
Tim FerrissSeemingly unrelated [things] that are in fact really related, that's the stuff I like to talk about. Like dancing, language learning, swimming, three-pointers.
Tim FerrissLanguage learning deserves special mention. It is, bar none, the best thing you can do to hone clear thinking.
Tim Ferriss