Don't argue about the difficulties. The difficulties will argue for themselves.
Do what you like, but like what you do.
No hour of life is wasted that is spent in the saddle.
A baboon in a forest is a matter of legitimate speculation; a baboon in a zoo is an object of public curiosity; but a baboon in your wife’s bed is a cause of the gravest concern.
I never worry about action, but only inaction.
Nothing is more costly, nothing is more sterile, than vengeance.