When you are not happy with your life, always think that someone is happy simply because you exist
Not without a shudder may the human hand reach into the mysterious urn of destiny.
You saw his weakness, and he will never forgive you.
Toil of science swells the wealth of art.
Stubbornness is not firmness.
Only those who have the patience to do simple things perfectly will acquire the skill to do difficult things easily.