Practical wisdom is only to be learned in the school of experience. Precepts and instruction are useful so far as they go, but, without the discipline of real life, they remain of the nature of theory only.
Alexander the Great valued learning so highly, that he used to say he was more indebted to Aristotle for giving him knowledge than to his father Philip for life.
Warning: PHP Startup: Unable to load dynamic library 'imagick.so' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so: cannot open shared object file: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0