Begin, be bold, and venture ...

Begin, be bold, and venture to be wise.
Begin, be bold, and venture to be wise.

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Adversity has the effect of eliciting talents, which in prosperous circumstances would have lain dormant.
A heart well prepared for adversity in bad times hopes, and in good times fears for a change in fortune.
Men more quickly and more gladly recall what they deride than what they approve and esteem.
Help a man against his will and you do the same as murder him.
Carpe diem. (Seize the day.)