In the field of Jewish ethics, Reb Simha Bunum suggests a way for the human being to balance humility and self worth:

“Rabbi Bunum said to his disciples: “Everyone must have two pockets, so he can reach into the one or the other, according to his needs. In his right pocket are to the words:’For my sake was the world created,’ and in his left:’ I am earth and ashes.”

Anochi Afar va-efer  (from Gen. 18:27)

and

Bishvili nivra ha-olam (from Sanhedrin 37a)

[from Volume 2 of Buber’s Tales of the Hasidim, p. 249]

The comic strip “Saturday Morning Breakfast Cereal,” by Zach Weiner has a slightly more complicated take on the same basic idea: